#C4DE40#C4DE40

#C4DE40 is a very light, vivid yellow. Relative luminance 0.643; OKLCH L 85.4% C 0.178 H 118.5°. Best body text is #000000 at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#C4DE40
RGB	rgb(196, 222, 64)
HSL	hsl(70, 71%, 56%)
HSV	hsv(70, 71%, 87%)
CMYK	cmyk(11.7%, 0%, 71.2%, 12.9%)
CIE-LAB	lab(84.15, -28.55, 70.19)
CIE-LCH	lch(84.15, 75.78, 112.13°)
OKLab	oklab(85.36% -0.085 0.1562)
OKLCH	oklch(85.36% 0.178 118.5)
XYZ	xyz(49.8127, 64.3489, 14.6459)
Luminance	0.6435 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4DE40 #5A40DE

analogous

#DEA940 #C4DE40 #75DE40

triadic

#C4DE40 #40C4DE #DE40C4

tetradic

#C4DE40 #40DEA9 #5A40DE #DE4075

square

#C4DE40 #40DEA9 #5A40DE #DE4075

split-complementary

#C4DE40 #4075DE #A940DE

monochromatic

#798B18 #A6C021 #C4DE40 #D4E774 #E4F0A8

Accessibility & contrast

On white

1.51

#C4DE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.87

#C4DE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4DE40

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4DE40	#FFFFFF	#000000	##000000
##C4DE40	1.00	1.51	13.87	13.87
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.87	21.00	1.00	1.00
##000000	13.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD223

Deuteranopia (green-blind)

#EAD34D

Tritanopia (blue-blind)

#D0D2BF

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #c4de40;
/* rgb */ color: rgb(196, 222, 64);
/* oklch */ color: oklch(85.4% 0.178 118.5);

Tailwind

colors: {
  custom: {
    50: '#d9e87f',
    500: '#c4de40',
    950: '#000000',
  },
}

SCSS

$custom: #c4de40;
$custom-light: #d9e87f;
$custom-dark: #000000;

JSON

{
  "hex": "#c4de40",
  "rgb": {
    "r": 196,
    "g": 222,
    "b": 64
  },
  "hsl": {
    "h": 69.873,
    "s": 70.536,
    "l": 56.078
  },
  "oklch": {
    "l": 0.85357,
    "c": 0.17778,
    "h": 118.5
  },
  "luminance": 0.64348
}

Semantic roles & 50–950 ramp

primary

#C4DE40

secondary

#413191

accent

#3AED58

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15160B

muted

#84847E

Preview Lab

Preview with #C4DE40

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →