#C9EB51#C9EB51

#C9EB51 is a very light, vivid yellow-green. Relative luminance 0.724; OKLCH L 88.7% C 0.180 H 120.9°. Best body text is #000000 at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#C9EB51
RGB	rgb(201, 235, 81)
HSL	hsl(73, 79%, 62%)
HSV	hsv(73, 66%, 92%)
CMYK	cmyk(14.5%, 0%, 65.5%, 7.8%)
CIE-LAB	lab(88.17, -31.66, 68.14)
CIE-LCH	lch(88.17, 75.14, 114.92°)
OKLab	oklab(88.72% -0.0924 0.1543)
OKLCH	oklch(88.72% 0.18 120.9)
XYZ	xyz(55.2817, 72.4283, 18.8507)
Luminance	0.7243 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EB51 #7351EB

analogous

#EBC051 #C9EB51 #7CEB51

triadic

#C9EB51 #51C9EB #EB51C9

tetradic

#C9EB51 #51EBC0 #7351EB #EB517C

square

#C9EB51 #51EBC0 #7351EB #EB517C

split-complementary

#C9EB51 #517CEB #C051EB

monochromatic

#8CAE14 #B8E51A #C9EB51 #DAF188 #EBF8BF

Accessibility & contrast

On white

1.36

#C9EB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.49

#C9EB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EB51

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EB51	#FFFFFF	#000000	##000000
##C9EB51	1.00	1.36	15.49	15.49
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.49	21.00	1.00	1.00
##000000	15.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE3B

Deuteranopia (green-blind)

#F5DD5D

Tritanopia (blue-blind)

#D3DFCC

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c9eb51;
/* rgb */ color: rgb(201, 235, 81);
/* oklch */ color: oklch(88.7% 0.180 120.9);

Tailwind

colors: {
  custom: {
    50: '#ddf189',
    500: '#c9eb51',
    950: '#000000',
  },
}

SCSS

$custom: #c9eb51;
$custom-light: #ddf189;
$custom-dark: #000000;

JSON

{
  "hex": "#c9eb51",
  "rgb": {
    "r": 201,
    "g": 235,
    "b": 81
  },
  "hsl": {
    "h": 73.247,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.88721,
    "c": 0.17982,
    "h": 120.9
  },
  "luminance": 0.72428
}

Semantic roles & 50–950 ramp

primary

#C9EB51

secondary

#4D32AE

accent

#0ADC38

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160C

muted

#84857F

Preview Lab

Preview with #C9EB51

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

Preview Lab → · Contrast checker → · Palette generator →