#C9D63B#C9D63B

#C9D63B is a very light, vivid yellow. Relative luminance 0.608; OKLCH L 83.9% C 0.170 H 114.3°. Best body text is #000000 at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#C9D63B
RGB	rgb(201, 214, 59)
HSL	hsl(65, 65%, 54%)
HSV	hsv(65, 72%, 84%)
CMYK	cmyk(6.1%, 0%, 72.4%, 16.1%)
CIE-LAB	lab(82.29, -22.93, 70.22)
CIE-LCH	lch(82.29, 73.87, 108.09°)
OKLab	oklab(83.94% -0.0701 0.1553)
OKLCH	oklch(83.94% 0.17 114.3)
XYZ	xyz(48.9248, 60.8273, 13.3004)
Luminance	0.6083 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9D63B #483BD6

analogous

#D6953B #C9D63B #7BD63B

triadic

#C9D63B #3BC9D6 #D63BC9

tetradic

#C9D63B #3BD695 #483BD6 #D63B7B

square

#C9D63B #3BD695 #483BD6 #D63B7B

split-complementary

#C9D63B #3B7BD6 #953BD6

monochromatic

#747D1A #A4AF25 #C9D63B #D7E16E #E5EBA0

Accessibility & contrast

On white

1.60

#C9D63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.17

#C9D63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9D63B

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9D63B	#FFFFFF	#000000	##000000
##C9D63B	1.00	1.60	13.17	13.17
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.17	21.00	1.00	1.00
##000000	13.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CB1C

Deuteranopia (green-blind)

#E5CE48

Tritanopia (blue-blind)

#D6C9B8

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #c9d63b;
/* rgb */ color: rgb(201, 214, 59);
/* oklch */ color: oklch(83.9% 0.170 114.3);

Tailwind

colors: {
  custom: {
    50: '#dde27c',
    500: '#c9d63b',
    950: '#000000',
  },
}

SCSS

$custom: #c9d63b;
$custom-light: #dde27c;
$custom-dark: #000000;

JSON

{
  "hex": "#c9d63b",
  "rgb": {
    "r": 201,
    "g": 214,
    "b": 59
  },
  "hsl": {
    "h": 65.032,
    "s": 65.401,
    "l": 53.529
  },
  "oklch": {
    "l": 0.83943,
    "c": 0.17035,
    "h": 114.3
  },
  "luminance": 0.60826
}

Semantic roles & 50–950 ramp

primary

#C9D63B

secondary

#383184

accent

#3FE84E

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#16150A

muted

#84847D

Preview Lab

Preview with #C9D63B

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

Preview Lab → · Contrast checker → · Palette generator →