#71CF21

sRGB · 113 / 207 / 33

#71CF21 belongs to the yellow-green family. Its hex code tells a screen to mix 113 red, 207 green and 33 blue on a scale of 0 to 255. On the HSL wheel, hue is a position around a circle: 92.4° lands in the yellow-green region. Its 72.5% saturation makes it strong in color at this lightness. HSL lightness is 47.1% 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 (10.65:1), which helps the shapes of letters stand out.

Color conversions

sRGB (8-bit): 113, 207, 33
HSL: 92.41°, 72.50%, 47.06%
HSV / HSB: 92.41°, 84.06%, 81.18%
CMYK (approx.): 45.41%, 0.00%, 84.06%, 18.82%
CIE XYZ (D65, Y = 100 for white): 29.396, 48.245, 9.202
CIELAB (D65, 2° observer): 74.979, -54.016, 69.098
WCAG relative luminance: 0.48246
24-bit decimal: 7458593

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 #71CF21 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 · 10.65:1

Normal text: AAA
Large text: AAA

White text · 1.97:1

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. 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

#7F21CF sits half a turn (180°) from #71CF21 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.

#71CF21 #7F21CF

Analogous

#C8CF21 and #21CF28 sit 30° to either side of #71CF21. 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.

#C8CF21 #71CF21 #21CF28

Triadic

#71CF21, #2171CF and #CF2171 are spaced 120° apart, forming a triangle on the wheel. Try one for the main color and the other two for accents.

#71CF21 #2171CF #CF2171

Split complementary

Start at #71CF21 and look across the wheel. #2821CF and #CF21C8 sit 30° to either side of its exact opposite, giving you two different accent choices.

#71CF21 #2821CF #CF21C8

Square

Starting with #71CF21, each quarter turn (90°) takes you to the next hue: #21C8CF, #7F21CF, then #CF2821. Across the square, #71CF21 pairs with #7F21CF, and #21C8CF with #CF2821.

#71CF21 #21C8CF #7F21CF #CF2821

Tetradic

#71CF21 and #7F21CF are opposites, as are #21CF7F and #CF2171. Together they form a rectangle on the wheel, with alternating gaps of 60° and 120°.

#71CF21 #21CF7F #7F21CF #CF2171

Tints

Mixing #71CF21 with white in 20% steps produces this scale. The first mixture, #8DD94D, keeps 80% of the original. By #E3F5D3, the mixture is 80% white.

#71CF21 #8DD94D #AAE27A #C6ECA6 #E3F5D3 #FFFFFF

Shades

Mixing #71CF21 with black in 20% steps produces this scale. The first mixture, #5AA61A, keeps 80% of the original. By #172907, the mixture is 80% black.

#71CF21 #5AA61A #447C14 #2D530D #172907 #000000

Tones

Mixing #71CF21 with middle gray in 20% steps produces this scale. The first mixture, #74BF34, keeps 80% of the original. By #7D906D, the mixture is 80% middle gray.

#71CF21 #74BF34 #77AF47 #7AA05A #7D906D #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

#71CF21

RGB

rgb(113 207 33)

HSL

hsl(92.414 72.500% 47.059%)

CSS example

.color-sample {
  background-color: #71CF21;
  color: #000000;
}

Channel breakdown

RGB

#71CF21 uses 113 red, 207 green and 33 blue. Each bar shows how much of that channel’s 0–255 range the screen uses.

Red 44.3%

Green 81.2%

Blue 12.9%

CMYK

A simple CMYK estimate for #71CF21 is 45.4% cyan, 0.0% magenta, 84.1% yellow and 18.8% black. These are ink amounts; a printer profile is needed to predict the result on paper.

Cyan 45.4%

Magenta 0.0%

Yellow 84.1%

Black 18.8%

Nearby colors

The nearest shorthand match is #77CC22. Its matching digit pairs let you write it as #7C2 in CSS. For a modern design, keep #71CF21 when you want an exact match. Use its web-safe neighbor, #66CC33, when matching a legacy palette of 216 colors.

Nearest shorthand · #77CC22 Nearest web-safe · #66CC33

Gradient to complement

#71CF21 #73B23E #76955B #787878 #7A5B95 #7D3EB2 #7F21CF

Color vision previews

Compare how #71CF21 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.

#D7BD00

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.

#CBB638

Tritanopia

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

#6EC7B0

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.

#BBC30D

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.

#B6BF31

Tritanomaly (50%)

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

#77CB72

Grayscale (luminance)

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

#B9B9B9

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.

#9AC489

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 0.16513 G 0.62396 B 0.01521

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 0.53372 G 0.80289 B 0.27584

Linear Display P3

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

R 0.24659 G 0.60873 B 0.06184

CIE xyY

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

x 0.338 y 0.556 Y 48.245

CMY

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

C % 55.686 M % 18.824 Y % 87.059

Binary RGB

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

01110001 11001111 00100001