#C9B03B#C9B03B

#C9B03B is a light, vivid yellow. Relative luminance 0.438; OKLCH L 75.8% C 0.135 H 96.8°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#C9B03B
RGB	rgb(201, 176, 59)
HSL	hsl(49, 57%, 51%)
HSV	hsv(49, 71%, 79%)
CMYK	cmyk(0%, 12.4%, 70.6%, 21.2%)
CIE-LAB	lab(72.09, -3.73, 60.27)
CIE-LCH	lch(72.09, 60.39, 93.54°)
OKLab	oklab(75.81% -0.0161 0.1342)
OKLCH	oklch(75.81% 0.135 96.8)
XYZ	xyz(40.4041, 43.7860, 10.4602)
Luminance	0.4378 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9B03B #3B54C9

analogous

#C9693B #C9B03B #9BC93B

triadic

#C9B03B #3BC9B0 #B03BC9

tetradic

#C9B03B #3BC969 #3B54C9 #C93B9B

square

#C9B03B #3BC969 #3B54C9 #C93B9B

split-complementary

#C9B03B #3B9BC9 #693BC9

monochromatic

#6C5E1E #9C882B #C9B03B #D6C36B #E3D79B

Accessibility & contrast

On white

2.15

#C9B03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#C9B03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9B03B

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9B03B	#FFFFFF	#000000	##000000
##C9B03B	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC2A

Deuteranopia (green-blind)

#C8B442

Tritanopia (blue-blind)

#D9A398

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #c9b03b;
/* rgb */ color: rgb(201, 176, 59);
/* oklch */ color: oklch(75.8% 0.135 96.8);

Tailwind

colors: {
  custom: {
    50: '#ddc778',
    500: '#c9b03b',
    950: '#000000',
  },
}

SCSS

$custom: #c9b03b;
$custom-light: #ddc778;
$custom-dark: #000000;

JSON

{
  "hex": "#c9b03b",
  "rgb": {
    "r": 201,
    "g": 176,
    "b": 59
  },
  "hsl": {
    "h": 49.437,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.75813,
    "c": 0.1352,
    "h": 96.8
  },
  "luminance": 0.43784
}

Semantic roles & 50–950 ramp

primary

#C9B03B

secondary

#909CCF

accent

#63E048

background

#FEFCF7

surface

#FCF8EE

border

#D5D1C9

text

#161309

muted

#84827B

Preview Lab

Preview with #C9B03B

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

Preview Lab → · Contrast checker → · Palette generator →