#287C45

sRGB · 40 / 124 / 69

#287C45 belongs to the green-cyan family. Its hex code tells a screen to mix 40 red, 124 green and 69 blue on a scale of 0 to 255. On the HSL wheel, hue is a position around a circle: 140.7° lands in the green-cyan region. Its 51.2% saturation makes it partway between gray and the most vivid version of this hue at this lightness. HSL lightness is 32.2% on a scale from black (0%) to white (100%). Of black and white lettering, white has the clearer light-to-dark separation on this background (5.17:1), which helps the shapes of letters stand out.

Color conversions

sRGB (8-bit): 40, 124, 69
HSL: 140.71°, 51.22%, 32.16%
HSV / HSB: 140.71°, 67.74%, 48.63%
CMYK (approx.): 67.74%, 0.00%, 44.35%, 51.37%
CIE XYZ (D65, Y = 100 for white): 9.156, 15.295, 8.100
CIELAB (D65, 2° observer): 46.036, -38.187, 22.850
WCAG relative luminance: 0.15296
24-bit decimal: 2653253

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 #287C45 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 · 4.06:1

Normal text: Fail
Large text: AA

White text · 5.17:1

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

#7C285F sits half a turn (180°) from #287C45 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.

#287C45 #7C285F

Analogous

#357C28 and #287C6F sit 30° to either side of #287C45. 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.

#357C28 #287C45 #287C6F

Triadic

#287C45, #45287C and #7C4528 are spaced 120° apart, forming a triangle on the wheel. Try one for the main color and the other two for accents.

#287C45 #45287C #7C4528

Split complementary

Start at #287C45 and look across the wheel. #6F287C and #7C2835 sit 30° to either side of its exact opposite, giving you two different accent choices.

#287C45 #6F287C #7C2835

Square

Starting with #287C45, each quarter turn (90°) takes you to the next hue: #28357C, #7C285F, then #7C6F28. Across the square, #287C45 pairs with #7C285F, and #28357C with #7C6F28.

#287C45 #28357C #7C285F #7C6F28

Tetradic

#287C45 and #7C285F are opposites, as are #285F7C and #7C4528. Together they form a rectangle on the wheel, with alternating gaps of 60° and 120°.

#287C45 #285F7C #7C285F #7C4528

Tints

Mixing #287C45 with white in 20% steps produces this scale. The first mixture, #53966A, keeps 80% of the original. By #D4E5DA, the mixture is 80% white.

#287C45 #53966A #7EB08F #A9CBB5 #D4E5DA #FFFFFF

Shades

Mixing #287C45 with black in 20% steps produces this scale. The first mixture, #206337, keeps 80% of the original. By #08190E, the mixture is 80% black.

#287C45 #206337 #184A29 #10321C #08190E #000000

Tones

Mixing #287C45 with middle gray in 20% steps produces this scale. The first mixture, #3A7D51, keeps 80% of the original. By #6E7F74, the mixture is 80% middle gray.

#287C45 #3A7D51 #4B7E5D #5D7E68 #6E7F74 #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

#287C45

RGB

rgb(40 124 69)

HSL

hsl(140.714 51.220% 32.157%)

CSS example

.color-sample {
  background-color: #287C45;
  color: #FFFFFF;
}

Channel breakdown

RGB

#287C45 uses 40 red, 124 green and 69 blue. Each bar shows how much of that channel’s 0–255 range the screen uses.

Red 15.7%

Green 48.6%

Blue 27.1%

CMYK

A simple CMYK estimate for #287C45 is 67.7% cyan, 0.0% magenta, 44.4% yellow and 51.4% black. These are ink amounts; a printer profile is needed to predict the result on paper.

Cyan 67.7%

Magenta 0.0%

Yellow 44.4%

Black 51.4%

Nearby colors

The nearest shorthand match is #227744. Its matching digit pairs let you write it as #274 in CSS. For a modern design, keep #287C45 when you want an exact match. Use its web-safe neighbor, #336633, when matching a legacy palette of 216 colors.

Nearest shorthand · #227744 Nearest web-safe · #336633

Gradient to complement

#287C45 #366E49 #44604E #525252 #604456 #6E365B #7C285F

Color vision previews

Compare how #287C45 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.

#7C7241

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.

#726A49

Tritanopia

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

#027A6F

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.

#687444

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.

#637147

Tritanomaly (50%)

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

#2B7A57

Grayscale (luminance)

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

#6D6D6D

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.

#53755C

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 0.02122 G 0.20156 B 0.05951

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 0.25582 G 0.47952 B 0.29158

Linear Display P3

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

R 0.05324 G 0.19557 B 0.06914

CIE xyY

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

x 0.281 y 0.470 Y 15.295

CMY

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

C % 84.314 M % 51.373 Y % 72.941

Binary RGB

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

00101000 01111100 01000101