#C9D53C#C9D53C

#C9D53C is a very light, vivid yellow. Relative luminance 0.603; OKLCH L 83.7% C 0.169 H 114.0°. Best body text is #000000 at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#C9D53C
RGB	rgb(201, 213, 60)
HSL	hsl(65, 65%, 54%)
HSV	hsv(65, 72%, 84%)
CMYK	cmyk(5.6%, 0%, 71.8%, 16.5%)
CIE-LAB	lab(82.02, -22.40, 69.63)
CIE-LCH	lch(82.02, 73.14, 107.83°)
OKLab	oklab(83.73% -0.0685 0.1542)
OKLCH	oklch(83.73% 0.169 114)
XYZ	xyz(48.6987, 60.3332, 13.3542)
Luminance	0.6033 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9D53C #483CD5

analogous

#D5943C #C9D53C #7CD53C

triadic

#C9D53C #3CC9D5 #D53CC9

tetradic

#C9D53C #3CD594 #483CD5 #D53C7C

square

#C9D53C #3CD594 #483CD5 #D53C7C

split-complementary

#C9D53C #3C7CD5 #943CD5

monochromatic

#747C1B #A4AE26 #C9D53C #D7E06E #E5EBA1

Accessibility & contrast

On white

1.61

#C9D53C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.07

#C9D53C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9D53C

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9D53C	#FFFFFF	#000000	##000000
##C9D53C	1.00	1.61	13.07	13.07
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.07	21.00	1.00	1.00
##000000	13.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CB1E

Deuteranopia (green-blind)

#E4CD48

Tritanopia (blue-blind)

#D6C8B8

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #c9d53c;
/* rgb */ color: rgb(201, 213, 60);
/* oklch */ color: oklch(83.7% 0.169 114.0);

Tailwind

colors: {
  custom: {
    50: '#dde17c',
    500: '#c9d53c',
    950: '#000000',
  },
}

SCSS

$custom: #c9d53c;
$custom-light: #dde17c;
$custom-dark: #000000;

JSON

{
  "hex": "#c9d53c",
  "rgb": {
    "r": 201,
    "g": 213,
    "b": 60
  },
  "hsl": {
    "h": 64.706,
    "s": 64.557,
    "l": 53.529
  },
  "oklch": {
    "l": 0.83731,
    "c": 0.16873,
    "h": 114
  },
  "luminance": 0.60332
}

Semantic roles & 50–950 ramp

primary

#C9D53C

secondary

#383284

accent

#40E84D

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#16150A

muted

#84847D

Preview Lab

Preview with #C9D53C

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

Preview Lab → · Contrast checker → · Palette generator →