#C4D63B#C4D63B

#C4D63B is a very light, vivid yellow. Relative luminance 0.601; OKLCH L 83.6% C 0.172 H 116.1°. Best body text is #000000 at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#C4D63B
RGB	rgb(196, 214, 59)
HSL	hsl(67, 65%, 54%)
HSV	hsv(67, 72%, 84%)
CMYK	cmyk(8.4%, 0%, 72.4%, 16.1%)
CIE-LAB	lab(81.92, -24.99, 69.74)
CIE-LCH	lch(81.92, 74.08, 109.71°)
OKLab	oklab(83.56% -0.0755 0.1544)
OKLCH	oklch(83.56% 0.172 116.1)
XYZ	xyz(47.6022, 60.1454, 13.2384)
Luminance	0.6015 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4D63B #4D3BD6

analogous

#D69A3B #C4D63B #76D63B

triadic

#C4D63B #3BC4D6 #D63BC4

tetradic

#C4D63B #3BD69A #4D3BD6 #D63B76

square

#C4D63B #3BD69A #4D3BD6 #D63B76

split-complementary

#C4D63B #3B76D6 #9A3BD6

monochromatic

#717D1A #9FAF25 #C4D63B #D3E16E #E2EBA0

Accessibility & contrast

On white

1.61

#C4D63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.03

#C4D63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4D63B

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4D63B	#FFFFFF	#000000	##000000
##C4D63B	1.00	1.61	13.03	13.03
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.03	21.00	1.00	1.00
##000000	13.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB1C

Deuteranopia (green-blind)

#E3CD48

Tritanopia (blue-blind)

#D0CAB8

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #c4d63b;
/* rgb */ color: rgb(196, 214, 59);
/* oklch */ color: oklch(83.6% 0.172 116.1);

Tailwind

colors: {
  custom: {
    50: '#d9e27c',
    500: '#c4d63b',
    950: '#000000',
  },
}

SCSS

$custom: #c4d63b;
$custom-light: #d9e27c;
$custom-dark: #000000;

JSON

{
  "hex": "#c4d63b",
  "rgb": {
    "r": 196,
    "g": 214,
    "b": 59
  },
  "hsl": {
    "h": 66.968,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.83555,
    "c": 0.17189,
    "h": 116.1
  },
  "luminance": 0.60145
}

Semantic roles & 50–950 ramp

primary

#C4D63B

secondary

#3B3184

accent

#3FE853

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15150A

muted

#84847D

Preview Lab

Preview with #C4D63B

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

Preview Lab → · Contrast checker → · Palette generator →