#C9C840#C9C840

#C9C840 is a light, vivid yellow. Relative luminance 0.541; OKLCH L 80.9% C 0.153 H 109.0°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#C9C840
RGB	rgb(201, 200, 64)
HSL	hsl(60, 56%, 52%)
HSV	hsv(60, 68%, 79%)
CMYK	cmyk(0%, 0.5%, 68.2%, 21.2%)
CIE-LAB	lab(78.52, -15.79, 64.77)
CIE-LCH	lch(78.52, 66.67, 103.70°)
OKLab	oklab(80.94% -0.0497 0.1446)
OKLCH	oklch(80.94% 0.153 109)
XYZ	xyz(45.6687, 54.0976, 12.8857)
Luminance	0.5410 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9C840 #4041C9

analogous

#C98440 #C9C840 #86C940

triadic

#C9C840 #40C9C8 #C840C9

tetradic

#C9C840 #40C984 #4041C9 #C94086

square

#C9C840 #40C984 #4041C9 #C94086

split-complementary

#C9C840 #4086C9 #8440C9

monochromatic

#6F6F1F #9F9E2D #C9C840 #D6D670 #E4E39F

Accessibility & contrast

On white

1.78

#C9C840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#C9C840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9C840

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9C840	#FFFFFF	#000000	##000000
##C9C840	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C02B

Deuteranopia (green-blind)

#DAC44A

Tritanopia (blue-blind)

#D7BBAD

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #c9c840;
/* rgb */ color: rgb(201, 200, 64);
/* oklch */ color: oklch(80.9% 0.153 109.0);

Tailwind

colors: {
  custom: {
    50: '#ddd87d',
    500: '#c9c840',
    950: '#000000',
  },
}

SCSS

$custom: #c9c840;
$custom-light: #ddd87d;
$custom-dark: #000000;

JSON

{
  "hex": "#c9c840",
  "rgb": {
    "r": 201,
    "g": 200,
    "b": 64
  },
  "hsl": {
    "h": 59.562,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.80939,
    "c": 0.1529,
    "h": 109
  },
  "luminance": 0.54096
}

Semantic roles & 50–950 ramp

primary

#C9C840

secondary

#353578

accent

#4ADF49

background

#FEFEFB

surface

#FCFBF2

border

#D5D4CC

text

#16140A

muted

#84837D

Preview Lab

Preview with #C9C840

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

Preview Lab → · Contrast checker → · Palette generator →