#C9C91B#C9C91B

#C9C91B is a light, vivid yellow. Relative luminance 0.543; OKLCH L 81.0% C 0.171 H 109.7°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#C9C91B
RGB	rgb(201, 201, 27)
HSL	hsl(60, 76%, 45%)
HSV	hsv(60, 87%, 79%)
CMYK	cmyk(0%, 0%, 86.6%, 21.2%)
CIE-LAB	lab(78.62, -17.64, 75.59)
CIE-LCH	lch(78.62, 77.62, 103.14°)
OKLab	oklab(80.97% -0.0577 0.1614)
OKLCH	oklch(80.97% 0.171 109.7)
XYZ	xyz(45.1737, 54.2714, 9.1325)
Luminance	0.5427 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9C91B #1B1BC9

analogous

#C9721B #C9C91B #72C91B

triadic

#C9C91B #1BC9C9 #C91BC9

tetradic

#C9C91B #1BC972 #1B1BC9 #C91B72

square

#C9C91B #1BC972 #1B1BC9 #C91B72

split-complementary

#C9C91B #1B72C9 #721BC9

monochromatic

#5D5D0D #939314 #C9C91B #E5E53C #ECEC72

Accessibility & contrast

On white

1.77

#C9C91B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#C9C91B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9C91B

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9C91B	#FFFFFF	#000000	##000000
##C9C91B	1.00	1.77	11.85	11.85
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.85	21.00	1.00	1.00
##000000	11.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC000

Deuteranopia (green-blind)

#DCC52F

Tritanopia (blue-blind)

#D8BBAC

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #c9c91b;
/* rgb */ color: rgb(201, 201, 27);
/* oklch */ color: oklch(81.0% 0.171 109.7);

Tailwind

colors: {
  custom: {
    50: '#ded96d',
    500: '#c9c91b',
    950: '#000000',
  },
}

SCSS

$custom: #c9c91b;
$custom-light: #ded96d;
$custom-dark: #000000;

JSON

{
  "hex": "#c9c91b",
  "rgb": {
    "r": 201,
    "g": 201,
    "b": 27
  },
  "hsl": {
    "h": 60,
    "s": 76.316,
    "l": 44.706
  },
  "oklch": {
    "l": 0.80966,
    "c": 0.17137,
    "h": 109.7
  },
  "luminance": 0.5427
}

Semantic roles & 50–950 ramp

primary

#C9C91B

secondary

#202068

accent

#35F335

background

#FEFEFB

surface

#FCFBF1

border

#D5D4CB

text

#161408

muted

#84837D

Preview Lab

Preview with #C9C91B

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

Preview Lab → · Contrast checker → · Palette generator →