#C4D637#C4D637

#C4D637 is a very light, vivid yellow. Relative luminance 0.601; OKLCH L 83.5% C 0.174 H 116.0°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#C4D637
RGB	rgb(196, 214, 55)
HSL	hsl(67, 66%, 53%)
HSV	hsv(67, 74%, 84%)
CMYK	cmyk(8.4%, 0%, 74.3%, 16.1%)
CIE-LAB	lab(81.90, -25.17, 71.03)
CIE-LCH	lch(81.90, 75.36, 109.51°)
OKLab	oklab(83.53% -0.0764 0.1565)
OKLCH	oklch(83.53% 0.174 116)
XYZ	xyz(47.5024, 60.1054, 12.7128)
Luminance	0.6010 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4D637 #4937D6

analogous

#D69837 #C4D637 #75D637

triadic

#C4D637 #37C4D6 #D637C4

tetradic

#C4D637 #37D698 #4937D6 #D63775

square

#C4D637 #37D698 #4937D6 #D63775

split-complementary

#C4D637 #3775D6 #9837D6

monochromatic

#6F7A19 #9DAC23 #C4D637 #D3E06A #E2EB9D

Accessibility & contrast

On white

1.61

#C4D637 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#C4D637 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4D637

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4D637	#FFFFFF	#000000	##000000
##C4D637	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB11

Deuteranopia (green-blind)

#E4CD45

Tritanopia (blue-blind)

#D1CAB8

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #c4d637;
/* rgb */ color: rgb(196, 214, 55);
/* oklch */ color: oklch(83.5% 0.174 116.0);

Tailwind

colors: {
  custom: {
    50: '#dae27a',
    500: '#c4d637',
    950: '#000000',
  },
}

SCSS

$custom: #c4d637;
$custom-light: #dae27a;
$custom-dark: #000000;

JSON

{
  "hex": "#c4d637",
  "rgb": {
    "r": 196,
    "g": 214,
    "b": 55
  },
  "hsl": {
    "h": 66.792,
    "s": 65.975,
    "l": 52.745
  },
  "oklch": {
    "l": 0.83531,
    "c": 0.1741,
    "h": 116
  },
  "luminance": 0.60105
}

Semantic roles & 50–950 ramp

primary

#C4D637

secondary

#393082

accent

#3FE952

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15150A

muted

#84847D

Preview Lab

Preview with #C4D637

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

Preview Lab → · Contrast checker → · Palette generator →