#40E893

sRGB: 64 / 232 / 147

Silver raindrops linger without sound
Immortal legends echo between distant mountains
Rising tides linger beyond yesterday

#40E893 belongs to the green-cyan family. Its hex code tells a screen to mix 64 red, 232 green and 147 blue on a scale of 0 to 255. On the HSL wheel, hue is a position around a circle: 149.6° lands in the green-cyan region. Its 78.5% saturation makes it strong in color at this lightness. HSL lightness is 58.0% 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 (13.18:1), which helps the shapes of letters stand out.

Color conversions

sRGB (8-bit): 64, 232, 147
HSL: 149.64°, 78.50%, 58.04%
HSV / HSB: 149.64°, 72.41%, 90.98%
CMYK (approx.): 72.41%, 0.00%, 36.64%, 9.02%
CIE XYZ (D65, Y = 100 for white): 36.236, 60.907, 37.451
CIELAB (D65, 2° observer): 82.329, -61.279, 29.412
WCAG relative luminance: 0.60910
24-bit decimal: 4253843

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 #40E893 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: 13.18:1

Normal text: AAA
Large text: AAA

White text: 1.59:1

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

#E84095 sits half a turn (180°) from #40E893 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.

#40E893 #E84095

Analogous

#41E840 and #40E8E7 sit 30° to either side of #40E893. 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.

#41E840 #40E893 #40E8E7

Triadic

#40E893, #9340E8 and #E89340 are spaced 120° apart, forming a triangle on the wheel. Try one for the main color and the other two for accents.

#40E893 #9340E8 #E89340

Split complementary

Start at #40E893 and look across the wheel. #E740E8 and #E84041 sit 30° to either side of its exact opposite, giving you two different accent choices.

#40E893 #E740E8 #E84041

Square

Starting with #40E893, each quarter turn (90°) takes you to the next hue: #4041E8, #E84095, then #E8E740. Across the square, #40E893 pairs with #E84095, and #4041E8 with #E8E740.

#40E893 #4041E8 #E84095 #E8E740

Tetradic

#40E893 and #E84095 are opposites, as are #4095E8 and #E89340. Together they form a rectangle on the wheel, with alternating gaps of 60° and 120°.

#40E893 #4095E8 #E84095 #E89340

Tints

Mixing #40E893 with white in 20% steps produces this scale. The first mixture, #66EDA9, keeps 80% of the original. By #D9FAE9, the mixture is 80% white.

#40E893 #66EDA9 #8CF1BE #B3F6D4 #D9FAE9 #FFFFFF

Shades

Mixing #40E893 with black in 20% steps produces this scale. The first mixture, #33BA76, keeps 80% of the original. By #0D2E1D, the mixture is 80% black.

#40E893 #33BA76 #268B58 #1A5D3B #0D2E1D #000000

Tones

Mixing #40E893 with middle gray in 20% steps produces this scale. The first mixture, #4DD38F, keeps 80% of the original. By #739584, the mixture is 80% middle gray.

#40E893 #4DD38F #5ABE8B #66AA88 #739584 #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

#40E893

RGB

rgb(64 232 147)

HSL

hsl(149.643 78.505% 58.039%)

CSS example

.color-sample {
  background-color: #40E893;
  color: #000000;
}

Channel breakdown

RGB

#40E893 uses 64 red, 232 green and 147 blue. Each bar shows how much of that channel’s 0–255 range the screen uses.

Red 25.1%

Green 91.0%

Blue 57.6%

CMYK

A simple CMYK estimate for #40E893 is 72.4% cyan, 0.0% magenta, 36.6% yellow and 9.0% black. These are ink amounts; a printer profile is needed to predict the result on paper.

Cyan 72.4%

Magenta 0.0%

Yellow 36.6%

Black 9.0%

Nearby colors

The nearest shorthand match is #44EE99. Its matching digit pairs let you write it as #4E9 in CSS. For a modern design, keep #40E893 when you want an exact match. Use its web-safe neighbor, #33FF99, when matching a legacy palette of 216 colors.

Nearest shorthand: #44EE99 Nearest web-safe: #33FF99

Gradient to complement

#40E893 #5CCC93 #78B094 #949494 #B07894 #CC5C95 #E84095

Color vision previews

Compare how #40E893 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.

#E7D68D

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.

#D2C799

Tritanopia

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

#00E6D2

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.

#C1DB91

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.

#B7D397

Tritanomaly (50%)

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

#46E5AD

Grayscale (luminance)

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

#CDCDCD

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.

#9CDBB3

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 0.05127 G 0.80695 B 0.29177

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 0.46779 G 0.89719 B 0.60546

Linear Display P3

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

R 0.18543 G 0.78187 B 0.32496

CIE xyY

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

x 0.269 y 0.453 Y 60.907

CMY

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

C % 74.902 M % 9.020 Y % 42.353

Binary RGB

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

01000000 11101000 10010011