#C9EDED

sRGB: 201 / 237 / 237

Celestial flames surge toward distant shores
Immortal legends illuminate forgotten empires
Infinite wonders shatter the chains of fate

#C9EDED belongs to the cyan family. Its hex code tells a screen to mix 201 red, 237 green and 237 blue on a scale of 0 to 255. On the HSL wheel, hue is a position around a circle: 180.0° lands in the cyan region. Its 50.0% saturation makes it partway between gray and the most vivid version of this hue at this lightness. HSL lightness is 85.9% on a scale from black (0%) to white (100%). Of black and white lettering, black has the clearer light-to-dark separation on this background (16.82:1), which helps the shapes of letters stand out.

Color conversions

sRGB (8-bit): 201, 237, 237
HSL: 180.00°, 50.00%, 85.88%
HSV / HSB: 180.00°, 15.19%, 92.94%
CMYK (approx.): 15.19%, 0.00%, 0.00%, 7.06%
CIE XYZ (D65, Y = 100 for white): 69.654, 79.099, 91.721
CIELAB (D65, 2° observer): 91.279, -11.620, -3.909
WCAG relative luminance: 0.79100
24-bit decimal: 13233645

CMYK uses a profile-free approximation. Printed output depends on the press, ink and paper. Lab uses a D65 white point.

Text contrast

Contrast tells you how clearly lettering separates from #C9EDED in light and dark. The ratio compares relative luminance, a measure of light weighted for human vision. Identical colors give 1:1 and black against white gives 21:1. A ratio of 2.99:1 falls just below the 3:1 AA minimum for large text. Body text needs at least 4.5:1 because its finer strokes are harder to distinguish.

Black text: 16.82:1

Normal text: AAA
Large text: AAA

White text: 1.25:1

Normal text: Fail
Large text: Fail

AA and AAA are WCAG accessibility levels. AAA sets a higher bar: 7:1 for normal text and 4.5:1 for large text. Large text begins at 18 pt regular or 14 pt bold. Ratings use the unrounded ratio.

Reference: WCAG text contrast guidance

Palettes & scales

Harmonies rotate the hue. Scales mix the starting color with white, black or middle gray in 20% steps in encoded sRGB.

Complementary

#EDC9C9 sits half a turn (180°) from #C9EDED on the HSL wheel. Keeping saturation and lightness steady while crossing to the opposite hue gives you a contrasting accent. Check text contrast separately before using the pair for lettering.

#C9EDED #EDC9C9

Analogous

#C9EDDB and #C9DBED sit 30° to either side of #C9EDED. The three hues are neighbors on the wheel, so you can change the color of a border or highlight while keeping it close to the original.

#C9EDDB #C9EDED #C9DBED

Triadic

#C9EDED, #EDC9ED and #EDEDC9 are spaced 120° apart, forming a triangle on the wheel. Try one for the main color and the other two for accents.

#C9EDED #EDC9ED #EDEDC9

Split complementary

Start at #C9EDED and look across the wheel. #EDC9DB and #EDDBC9 sit 30° to either side of its exact opposite, giving you two different accent choices.

#C9EDED #EDC9DB #EDDBC9

Square

Starting with #C9EDED, each quarter turn (90°) takes you to the next hue: #DBC9ED, #EDC9C9, then #DBEDC9. Across the square, #C9EDED pairs with #EDC9C9, and #DBC9ED with #DBEDC9.

#C9EDED #DBC9ED #EDC9C9 #DBEDC9

Tetradic

#C9EDED and #EDC9C9 are opposites, as are #C9C9ED and #EDEDC9. Together they form a rectangle on the wheel, with alternating gaps of 60° and 120°.

#C9EDED #C9C9ED #EDC9C9 #EDEDC9

Tints

Mixing #C9EDED with white in 20% steps produces this scale. The first mixture, #D4F1F1, keeps 80% of the original. By #F4FBFB, the mixture is 80% white.

#C9EDED #D4F1F1 #DFF4F4 #E9F8F8 #F4FBFB #FFFFFF

Shades

Mixing #C9EDED with black in 20% steps produces this scale. The first mixture, #A1BEBE, keeps 80% of the original. By #282F2F, the mixture is 80% black.

#C9EDED #A1BEBE #798E8E #505F5F #282F2F #000000

Tones

Mixing #C9EDED with middle gray in 20% steps produces this scale. The first mixture, #BAD7D7, keeps 80% of the original. By #8F9696, the mixture is 80% middle gray.

#C9EDED #BAD7D7 #ACC1C1 #9DACAC #8F9696 #808080

Copy color codes

Hex, RGB and HSL are three ways to write this screen color. Paste any of them into a CSS color property.

Hex

#C9EDED

RGB

rgb(201 237 237)

HSL

hsl(180.000 50.000% 85.882%)

CSS example

.color-sample {
  background-color: #C9EDED;
  color: #000000;
}

Channel breakdown

RGB

#C9EDED uses 201 red, 237 green and 237 blue. Each bar shows how much of that channel’s 0–255 range the screen uses.

Red 78.8%

Green 92.9%

Blue 92.9%

CMYK

A simple CMYK estimate for #C9EDED is 15.2% cyan, 0.0% magenta, 0.0% yellow and 7.1% black. These are ink amounts; a printer profile is needed to predict the result on paper.

Cyan 15.2%

Magenta 0.0%

Yellow 0.0%

Black 7.1%

Nearby colors

The nearest shorthand match is #CCEEEE. Its matching digit pairs let you write it as #CEE in CSS. For a modern design, keep #C9EDED when you want an exact match. Use its web-safe neighbor, #CCFFFF, when matching a legacy palette of 216 colors.

Nearest shorthand: #CCEEEE Nearest web-safe: #CCFFFF

Gradient to complement

#C9EDED #CFE7E7 #D5E1E1 #DBDBDB #E1D5D5 #E7CFCF #EDC9C9

Color vision previews

Compare how #C9EDED appears in each simulation. When two chart lines or status indicators become hard to tell apart, a label, shape or line pattern gives readers another way to distinguish them. Individual perception varies.

Protanopia

A red–green color vision deficiency. Without a distinct response from long-wavelength cones, some reds and greens can look alike, and reds can appear darker.

#E8E9ED

Deuteranopia

A red–green color vision deficiency. Without a distinct response from medium-wavelength cones, some greens can be difficult to distinguish from reds or browns.

#E1E4ED

Tritanopia

A blue–yellow color vision deficiency. Without a distinct response from short-wavelength cones, blue can resemble green, and yellow can resemble pink.

#BEF0ED

Protanomaly (50%)

An altered long-wavelength cone response can make reds appear dimmer and harder to distinguish from greens. This swatch shows the model’s halfway setting.

#DDEAED

Deuteranomaly (50%)

An altered medium-wavelength cone response can reduce the visible difference between reds and greens. This swatch shows the model’s halfway setting.

#DAE7ED

Tritanomaly (50%)

An altered short-wavelength cone response can make blue harder to distinguish from green. This swatch shows the model’s halfway setting.

#C8EDED

Grayscale (luminance)

This design check removes hue and preserves relative luminance so you can compare light and dark areas.

#E6E6E6

Partial grayscale (50% blend)

This design check mixes the original color halfway toward its grayscale equivalent in linear light. Use it to see how a design holds up as color fades.

#D8EAEA

Reference: National Eye Institute: Types of Color Vision Deficiency

Technical reference

CAM16 and CIECAM02 below assume D65 white, an average surround, background Y of 20 against white at 100, and adapting luminance of 4.07 cd/m².

Linear sRGB

These channels scale with emitted light. Use them for lighting calculations and physically meaningful blends.

R 0.58408 G 0.84687 B 0.84687

Display P3

P3 displays can reproduce a wider range of reds and greens. These coordinates reproduce this same sRGB swatch on a color-managed P3 display.

R 0.81567 G 0.92517 B 0.92723

Linear Display P3

These P3 channels are proportional to light, before display encoding.

R 0.63073 G 0.83815 B 0.84238

CIE xyY

The x and y coordinates locate chromaticity on a diagram. Y gives relative luminance on a scale where white is 100.

x 0.290 y 0.329 Y 79.099

CMY

Ideal cyan, magenta and yellow are the complements of the encoded red, green and blue channels.

C % 21.176 M % 7.059 Y % 7.059

Binary RGB

Each eight-bit group represents one channel. Together they store the 24-bit hex color.

11001001 11101101 11101101