#C9D53F#C9D53F

#C9D53F is a very light, vivid yellow. Relative luminance 0.604; OKLCH L 83.8% C 0.167 H 114.0°. Best body text is #000000 at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#C9D53F
RGB	rgb(201, 213, 63)
HSL	hsl(65, 64%, 54%)
HSV	hsv(65, 70%, 84%)
CMYK	cmyk(5.6%, 0%, 70.4%, 16.5%)
CIE-LAB	lab(82.04, -22.25, 68.61)
CIE-LCH	lch(82.04, 72.12, 107.97°)
OKLab	oklab(83.75% -0.0679 0.1525)
OKLCH	oklch(83.75% 0.167 114)
XYZ	xyz(48.7802, 60.3658, 13.7838)
Luminance	0.6037 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9D53F #4B3FD5

analogous

#D5963F #C9D53F #7ED53F

triadic

#C9D53F #3FC9D5 #D53FC9

tetradic

#C9D53F #3FD596 #4B3FD5 #D53F7E

square

#C9D53F #3FD596 #4B3FD5 #D53F7E

split-complementary

#C9D53F #3F7ED5 #963FD5

monochromatic

#767E1C #A5B027 #C9D53F #D7E071 #E5EBA3

Accessibility & contrast

On white

1.61

#C9D53F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.07

#C9D53F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9D53F

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9D53F	#FFFFFF	#000000	##000000
##C9D53F	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)

#E4CB24

Deuteranopia (green-blind)

#E4CD4B

Tritanopia (blue-blind)

#D6C9B8

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #c9d53f;
/* rgb */ color: rgb(201, 213, 63);
/* oklch */ color: oklch(83.8% 0.167 114.0);

Tailwind

colors: {
  custom: {
    50: '#dde17e',
    500: '#c9d53f',
    950: '#000000',
  },
}

SCSS

$custom: #c9d53f;
$custom-light: #dde17e;
$custom-dark: #000000;

JSON

{
  "hex": "#c9d53f",
  "rgb": {
    "r": 201,
    "g": 213,
    "b": 63
  },
  "hsl": {
    "h": 64.8,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.83751,
    "c": 0.16694,
    "h": 114
  },
  "luminance": 0.60365
}

Semantic roles & 50–950 ramp

primary

#C9D53F

secondary

#393385

accent

#41E74E

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#16150A

muted

#84847D

Preview Lab

Preview with #C9D53F

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

Preview Lab → · Contrast checker → · Palette generator →