#C9D139#C9D139

#C9D139 is a very light, vivid yellow. Relative luminance 0.583; OKLCH L 82.8% C 0.166 H 112.5°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#C9D139
RGB	rgb(201, 209, 57)
HSL	hsl(63, 62%, 52%)
HSV	hsv(63, 73%, 82%)
CMYK	cmyk(3.8%, 0%, 72.7%, 18%)
CIE-LAB	lab(80.91, -20.59, 69.59)
CIE-LCH	lch(80.91, 72.57, 106.48°)
OKLab	oklab(82.84% -0.0638 0.1536)
OKLCH	oklch(82.84% 0.166 112.5)
XYZ	xyz(47.6279, 58.3150, 12.6171)
Luminance	0.5831 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9D139 #4139D1

analogous

#D18D39 #C9D139 #7DD139

triadic

#C9D139 #39C9D1 #D139C9

tetradic

#C9D139 #39D18D #4139D1 #D1397D

square

#C9D139 #39D18D #4139D1 #D1397D

split-complementary

#C9D139 #397DD1 #8D39D1

monochromatic

#70751B #9FA627 #C9D139 #D7DD6B #E4E89C

Accessibility & contrast

On white

1.66

#C9D139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.66

#C9D139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9D139

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9D139	#FFFFFF	#000000	##000000
##C9D139	1.00	1.66	12.66	12.66
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.66	21.00	1.00	1.00
##000000	12.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C71A

Deuteranopia (green-blind)

#E1CB45

Tritanopia (blue-blind)

#D7C4B4

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #c9d139;
/* rgb */ color: rgb(201, 209, 57);
/* oklch */ color: oklch(82.8% 0.166 112.5);

Tailwind

colors: {
  custom: {
    50: '#ddde7a',
    500: '#c9d139',
    950: '#000000',
  },
}

SCSS

$custom: #c9d139;
$custom-light: #ddde7a;
$custom-dark: #000000;

JSON

{
  "hex": "#c9d139",
  "rgb": {
    "r": 201,
    "g": 209,
    "b": 57
  },
  "hsl": {
    "h": 63.158,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.8284,
    "c": 0.16628,
    "h": 112.5
  },
  "luminance": 0.58314
}

Semantic roles & 50–950 ramp

primary

#C9D139

secondary

#35317D

accent

#42E54B

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#16150A

muted

#84847D

Preview Lab

Preview with #C9D139

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

Preview Lab → · Contrast checker → · Palette generator →