#C9E54A#C9E54A

#C9E54A is a very light, vivid yellow-green. Relative luminance 0.690; OKLCH L 87.3% C 0.178 H 119.1°. Best body text is #000000 at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#C9E54A
RGB	rgb(201, 229, 74)
HSL	hsl(71, 75%, 59%)
HSV	hsv(71, 68%, 90%)
CMYK	cmyk(12.2%, 0%, 67.7%, 10.2%)
CIE-LAB	lab(86.48, -29.29, 69.05)
CIE-LCH	lch(86.48, 75.00, 112.99°)
OKLab	oklab(87.34% -0.0864 0.1552)
OKLCH	oklch(87.34% 0.178 119.1)
XYZ	xyz(53.3437, 68.9509, 16.9759)
Luminance	0.6895 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9E54A #664AE5

analogous

#E5B44A #C9E54A #7CE54A

triadic

#C9E54A #4AC9E5 #E54AC9

tetradic

#C9E54A #4AE5B4 #664AE5 #E54A7C

square

#C9E54A #4AE5B4 #664AE5 #E54A7C

split-complementary

#C9E54A #4A7CE5 #B44AE5

monochromatic

#859E17 #B3D31E #C9E54A #D9ED80 #E9F4B5

Accessibility & contrast

On white

1.42

#C9E54A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.79

#C9E54A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9E54A

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9E54A	#FFFFFF	#000000	##000000
##C9E54A	1.00	1.42	14.79	14.79
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.79	21.00	1.00	1.00
##000000	14.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D832

Deuteranopia (green-blind)

#F0D956

Tritanopia (blue-blind)

#D4D9C6

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #c9e54a;
/* rgb */ color: rgb(201, 229, 74);
/* oklch */ color: oklch(87.3% 0.178 119.1);

Tailwind

colors: {
  custom: {
    50: '#dded85',
    500: '#c9e54a',
    950: '#000000',
  },
}

SCSS

$custom: #c9e54a;
$custom-light: #dded85;
$custom-dark: #000000;

JSON

{
  "hex": "#c9e54a",
  "rgb": {
    "r": 201,
    "g": 229,
    "b": 74
  },
  "hsl": {
    "h": 70.839,
    "s": 74.879,
    "l": 59.412
  },
  "oklch": {
    "l": 0.87341,
    "c": 0.17762,
    "h": 119.1
  },
  "luminance": 0.68951
}

Semantic roles & 50–950 ramp

primary

#C9E54A

secondary

#4632A1

accent

#36F158

background

#FEFEFC

surface

#FCFDF3

border

#D5D5CD

text

#15160C

muted

#84847F

Preview Lab

Preview with #C9E54A

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

Preview Lab → · Contrast checker → · Palette generator →