#1D8564

sRGB · 29 / 133 / 100

#1D8564 belongs to the green-cyan family. Its hex code tells a screen to mix 29 red, 133 green and 100 blue on a scale of 0 to 255. On the HSL wheel, hue is a position around a circle: 161.0° lands in the green-cyan region. Its 64.2% saturation makes it partway between gray and the most vivid version of this hue at this lightness. HSL lightness is 31.8% 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 (4.59:1), which helps the shapes of letters stand out.

Color conversions

sRGB (8-bit): 29, 133, 100
HSL: 160.96°, 64.20%, 31.76%
HSV / HSB: 160.96°, 78.20%, 52.16%
CMYK (approx.): 78.20%, 0.00%, 24.81%, 47.84%
CIE XYZ (D65, Y = 100 for white): 11.194, 17.956, 14.933
CIELAB (D65, 2° observer): 49.442, -36.992, 9.699
WCAG relative luminance: 0.17956
24-bit decimal: 1934692

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 #1D8564 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 · 4.59:1

Normal text: AA
Large text: AAA

White text · 4.57:1

Normal text: AA
Large text: AAA

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. 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

#851D3E sits half a turn (180°) from #1D8564 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.

#1D8564 #851D3E

Analogous

#1D8530 and #1D7285 sit 30° to either side of #1D8564. 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.

#1D8530 #1D8564 #1D7285

Triadic

#1D8564, #641D85 and #85641D are spaced 120° apart, forming a triangle on the wheel. Try one for the main color and the other two for accents.

#1D8564 #641D85 #85641D

Split complementary

Start at #1D8564 and look across the wheel. #851D72 and #85301D sit 30° to either side of its exact opposite, giving you two different accent choices.

#1D8564 #851D72 #85301D

Square

Starting with #1D8564, each quarter turn (90°) takes you to the next hue: #301D85, #851D3E, then #72851D. Across the square, #1D8564 pairs with #851D3E, and #301D85 with #72851D.

#1D8564 #301D85 #851D3E #72851D

Tetradic

#1D8564 and #851D3E are opposites, as are #1D3E85 and #85641D. Together they form a rectangle on the wheel, with alternating gaps of 60° and 120°.

#1D8564 #1D3E85 #851D3E #85641D

Tints

Mixing #1D8564 with white in 20% steps produces this scale. The first mixture, #4A9D83, keeps 80% of the original. By #D2E7E0, the mixture is 80% white.

#1D8564 #4A9D83 #77B6A2 #A5CEC1 #D2E7E0 #FFFFFF

Shades

Mixing #1D8564 with black in 20% steps produces this scale. The first mixture, #176A50, keeps 80% of the original. By #061B14, the mixture is 80% black.

#1D8564 #176A50 #11503C #0C3528 #061B14 #000000

Tones

Mixing #1D8564 with middle gray in 20% steps produces this scale. The first mixture, #31846A, keeps 80% of the original. By #6C817A, the mixture is 80% middle gray.

#1D8564 #31846A #45836F #588275 #6C817A #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

#1D8564

RGB

rgb(29 133 100)

HSL

hsl(160.962 64.198% 31.765%)

CSS example

.color-sample {
  background-color: #1D8564;
  color: #000000;
}

Channel breakdown

RGB

#1D8564 uses 29 red, 133 green and 100 blue. Each bar shows how much of that channel’s 0–255 range the screen uses.

Red 11.4%

Green 52.2%

Blue 39.2%

CMYK

A simple CMYK estimate for #1D8564 is 78.2% cyan, 0.0% magenta, 24.8% yellow and 47.8% black. These are ink amounts; a printer profile is needed to predict the result on paper.

Cyan 78.2%

Magenta 0.0%

Yellow 24.8%

Black 47.8%

Nearby colors

The nearest shorthand match is #228866. Its matching digit pairs let you write it as #286 in CSS. For a modern design, keep #1D8564 when you want an exact match. Use its web-safe neighbor, #339966, when matching a legacy palette of 216 colors.

Nearest shorthand · #228866 Nearest web-safe · #339966

Gradient to complement

#1D8564 #2E745E #406257 #515151 #62404B #742E44 #851D3E

Color vision previews

Compare how #1D8564 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.

#827B62

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.

#757266

Tritanopia

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

#00857C

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.

#6B7E64

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.

#657966

Tritanomaly (50%)

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

#1E846D

Grayscale (luminance)

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

#767676

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.

#577E6D

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 0.01229 G 0.23455 B 0.12744

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 0.25216 G 0.51394 B 0.40051

Linear Display P3

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

R 0.05175 G 0.22717 B 0.13323

CIE xyY

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

x 0.254 y 0.407 Y 17.956

CMY

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

C % 88.627 M % 47.843 Y % 60.784

Binary RGB

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

00011101 10000101 01100100