#DFEB21

sRGB: 223 / 235 / 33

#DFEB21 belongs to the yellow family. Its hex code tells a screen to mix 223 red, 235 green and 33 blue on a scale of 0 to 255. On the HSL wheel, hue is a position around a circle: 63.6° lands in the yellow region. Its 83.5% saturation makes it strong in color at this lightness. HSL lightness is 52.5% 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 (16.04:1), which helps the shapes of letters stand out.

Color conversions

sRGB (8-bit): 223, 235, 33
HSL: 63.56°, 83.47%, 52.55%
HSV / HSB: 63.56°, 85.96%, 92.16%
CMYK (approx.): 5.11%, 0.00%, 85.96%, 7.84%
CIE XYZ (D65, Y = 100 for white): 60.412, 75.215, 12.774
CIELAB (D65, 2° observer): 89.493, -24.813, 83.983
WCAG relative luminance: 0.75214
24-bit decimal: 14674721

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 #DFEB21 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: 16.04:1

Normal text: AAA
Large text: AAA

White text: 1.31:1

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

#2D21EB sits half a turn (180°) from #DFEB21 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.

#DFEB21 #2D21EB

Analogous

#EB9221 and #7AEB21 sit 30° to either side of #DFEB21. 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.

#EB9221 #DFEB21 #7AEB21

Triadic

#DFEB21, #21DFEB and #EB21DF are spaced 120° apart, forming a triangle on the wheel. Try one for the main color and the other two for accents.

#DFEB21 #21DFEB #EB21DF

Split complementary

Start at #DFEB21 and look across the wheel. #217AEB and #9221EB sit 30° to either side of its exact opposite, giving you two different accent choices.

#DFEB21 #217AEB #9221EB

Square

Starting with #DFEB21, each quarter turn (90°) takes you to the next hue: #21EB92, #2D21EB, then #EB217A. Across the square, #DFEB21 pairs with #2D21EB, and #21EB92 with #EB217A.

#DFEB21 #21EB92 #2D21EB #EB217A

Tetradic

#DFEB21 and #2D21EB are opposites, as are #21EB2D and #EB21DF. Together they form a rectangle on the wheel, with alternating gaps of 60° and 120°.

#DFEB21 #21EB2D #2D21EB #EB21DF

Tints

Mixing #DFEB21 with white in 20% steps produces this scale. The first mixture, #E5EF4D, keeps 80% of the original. By #F9FBD3, the mixture is 80% white.

#DFEB21 #E5EF4D #ECF37A #F2F7A6 #F9FBD3 #FFFFFF

Shades

Mixing #DFEB21 with black in 20% steps produces this scale. The first mixture, #B2BC1A, keeps 80% of the original. By #2D2F07, the mixture is 80% black.

#DFEB21 #B2BC1A #868D14 #595E0D #2D2F07 #000000

Tones

Mixing #DFEB21 with middle gray in 20% steps produces this scale. The first mixture, #CCD634, keeps 80% of the original. By #93956D, the mixture is 80% middle gray.

#DFEB21 #CCD634 #B9C047 #A6AB5A #93956D #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

#DFEB21

RGB

rgb(223 235 33)

HSL

hsl(63.564 83.471% 52.549%)

CSS example

.color-sample {
  background-color: #DFEB21;
  color: #000000;
}

Channel breakdown

RGB

#DFEB21 uses 223 red, 235 green and 33 blue. Each bar shows how much of that channel’s 0–255 range the screen uses.

Red 87.5%

Green 92.2%

Blue 12.9%

CMYK

A simple CMYK estimate for #DFEB21 is 5.1% cyan, 0.0% magenta, 86.0% yellow and 7.8% black. These are ink amounts; a printer profile is needed to predict the result on paper.

Cyan 5.1%

Magenta 0.0%

Yellow 86.0%

Black 7.8%

Nearby colors

The nearest shorthand match is #DDEE22. Its matching digit pairs let you write it as #DE2 in CSS. For a modern design, keep #DFEB21 when you want an exact match. Use its web-safe neighbor, #CCFF33, when matching a legacy palette of 216 colors.

Nearest shorthand: #DDEE22 Nearest web-safe: #CCFF33

Gradient to complement

#DFEB21 #C1C943 #A4A864 #868686 #6864A8 #4B43C9 #2D21EB

Color vision previews

Compare how #DFEB21 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.

#FDDF00

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.

#FDE33A

Tritanopia

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

#EFDCC9

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.

#F4E400

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.

#F4E530

Tritanomaly (50%)

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

#E4E682

Grayscale (luminance)

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

#E1E1E1

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.

#E0E6A6

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 0.73791 G 0.83077 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 0.88311 G 0.92006 B 0.32567

Linear Display P3

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

R 0.75440 G 0.82769 B 0.08660

CIE xyY

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

x 0.407 y 0.507 Y 75.215

CMY

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

C % 12.549 M % 7.843 Y % 87.059

Binary RGB

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

11011111 11101011 00100001