#C9D543#C9D543

#C9D543 is a very light, vivid yellow. Relative luminance 0.604; OKLCH L 83.8% C 0.164 H 114.0°. Best body text is #000000 at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#C9D543
RGB	rgb(201, 213, 67)
HSL	hsl(65, 63%, 55%)
HSV	hsv(65, 69%, 84%)
CMYK	cmyk(5.6%, 0%, 68.5%, 16.5%)
CIE-LAB	lab(82.06, -22.05, 67.19)
CIE-LCH	lch(82.06, 70.71, 108.17°)
OKLab	oklab(83.78% -0.0669 0.1502)
OKLCH	oklch(83.78% 0.164 114)
XYZ	xyz(48.8961, 60.4122, 14.3940)
Luminance	0.6041 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9D543 #4F43D5

analogous

#D59843 #C9D543 #80D543

triadic

#C9D543 #43C9D5 #D543C9

tetradic

#C9D543 #43D598 #4F43D5 #D54380

square

#C9D543 #43D598 #4F43D5 #D54380

split-complementary

#C9D543 #4380D5 #9843D5

monochromatic

#79811D #A7B328 #C9D543 #D7E075 #E6EBA7

Accessibility & contrast

On white

1.61

#C9D543 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.08

#C9D543 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9D543

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9D543	#FFFFFF	#000000	##000000
##C9D543	1.00	1.61	13.08	13.08
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.08	21.00	1.00	1.00
##000000	13.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB2C

Deuteranopia (green-blind)

#E4CD4E

Tritanopia (blue-blind)

#D6C9B8

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #c9d543;
/* rgb */ color: rgb(201, 213, 67);
/* oklch */ color: oklch(83.8% 0.164 114.0);

Tailwind

colors: {
  custom: {
    50: '#dde180',
    500: '#c9d543',
    950: '#000000',
  },
}

SCSS

$custom: #c9d543;
$custom-light: #dde180;
$custom-dark: #000000;

JSON

{
  "hex": "#c9d543",
  "rgb": {
    "r": 201,
    "g": 213,
    "b": 67
  },
  "hsl": {
    "h": 64.932,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.83779,
    "c": 0.16441,
    "h": 114
  },
  "luminance": 0.60411
}

Semantic roles & 50–950 ramp

primary

#C9D543

secondary

#3B3488

accent

#41E74F

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#15150B

muted

#84847E

Preview Lab

Preview with #C9D543

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

Preview Lab → · Contrast checker → · Palette generator →