#C4E037#C4E037

#C4E037 is a very light, vivid yellow. Relative luminance 0.653; OKLCH L 85.7% C 0.185 H 118.9°. Best body text is #000000 at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#C4E037
RGB	rgb(196, 224, 55)
HSL	hsl(70, 73%, 55%)
HSV	hsv(70, 75%, 88%)
CMYK	cmyk(12.5%, 0%, 75.4%, 12.2%)
CIE-LAB	lab(84.65, -29.91, 73.60)
CIE-LCH	lch(84.65, 79.45, 112.12°)
OKLab	oklab(85.75% -0.0894 0.1619)
OKLCH	oklch(85.75% 0.185 118.9)
XYZ	xyz(50.1113, 65.3233, 13.5825)
Luminance	0.6532 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4E037 #5337E0

analogous

#E0A837 #C4E037 #6FE037

triadic

#C4E037 #37C4E0 #E037C4

tetradic

#C4E037 #37E0A8 #5337E0 #E0376F

square

#C4E037 #37E0A8 #5337E0 #E0376F

split-complementary

#C4E037 #376FE0 #A837E0

monochromatic

#758815 #A2BD1D #C4E037 #D4E86C #E3F0A1

Accessibility & contrast

On white

1.49

#C4E037 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.06

#C4E037 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4E037

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4E037	#FFFFFF	#000000	##000000
##C4E037	1.00	1.49	14.06	14.06
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.06	21.00	1.00	1.00
##000000	14.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD307

Deuteranopia (green-blind)

#ECD447

Tritanopia (blue-blind)

#D0D4C0

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #c4e037;
/* rgb */ color: rgb(196, 224, 55);
/* oklch */ color: oklch(85.7% 0.185 118.9);

Tailwind

colors: {
  custom: {
    50: '#dae97b',
    500: '#c4e037',
    950: '#000000',
  },
}

SCSS

$custom: #c4e037;
$custom-light: #dae97b;
$custom-dark: #000000;

JSON

{
  "hex": "#c4e037",
  "rgb": {
    "r": 196,
    "g": 224,
    "b": 55
  },
  "hsl": {
    "h": 69.941,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.85746,
    "c": 0.18496,
    "h": 118.9
  },
  "luminance": 0.65323
}

Semantic roles & 50–950 ramp

primary

#C4E037

secondary

#3E2E8E

accent

#38F056

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15160A

muted

#84847D

Preview Lab

Preview with #C4E037

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

Preview Lab → · Contrast checker → · Palette generator →