#C9E05B#C9E05B

#C9E05B is a very light, vivid yellow-green. Relative luminance 0.665; OKLCH L 86.4% C 0.159 H 118.1°. Best body text is #000000 at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#C9E05B
RGB	rgb(201, 224, 91)
HSL	hsl(70, 68%, 62%)
HSV	hsv(70, 59%, 88%)
CMYK	cmyk(10.3%, 0%, 59.4%, 12.2%)
CIE-LAB	lab(85.24, -25.80, 60.95)
CIE-LCH	lch(85.24, 66.19, 112.94°)
OKLab	oklab(86.39% -0.0751 0.1404)
OKLCH	oklch(86.39% 0.159 118.1)
XYZ	xyz(52.6322, 66.4846, 19.9556)
Luminance	0.6648 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9E05B #725BE0

analogous

#E0B55B #C9E05B #87E05B

triadic

#C9E05B #5BC9E0 #E05BC9

tetradic

#C9E05B #5BE0B5 #725BE0 #E05B87

square

#C9E05B #5BE0B5 #725BE0 #E05B87

split-complementary

#C9E05B #5B87E0 #B55BE0

monochromatic

#8BA21F #B8D528 #C9E05B #DAEA8E #EBF3C2

Accessibility & contrast

On white

1.47

#C9E05B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.30

#C9E05B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9E05B

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9E05B	#FFFFFF	#000000	##000000
##C9E05B	1.00	1.47	14.30	14.30
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.30	21.00	1.00	1.00
##000000	14.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED54C

Deuteranopia (green-blind)

#EBD664

Tritanopia (blue-blind)

#D4D5C4

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #c9e05b;
/* rgb */ color: rgb(201, 224, 91);
/* oklch */ color: oklch(86.4% 0.159 118.1);

Tailwind

colors: {
  custom: {
    50: '#dce98e',
    500: '#c9e05b',
    950: '#000000',
  },
}

SCSS

$custom: #c9e05b;
$custom-light: #dce98e;
$custom-dark: #000000;

JSON

{
  "hex": "#c9e05b",
  "rgb": {
    "r": 201,
    "g": 224,
    "b": 91
  },
  "hsl": {
    "h": 70.376,
    "s": 68.205,
    "l": 61.765
  },
  "oklch": {
    "l": 0.86389,
    "c": 0.15923,
    "h": 118.1
  },
  "luminance": 0.66484
}

Semantic roles & 50–950 ramp

primary

#C9E05B

secondary

#4D3AA5

accent

#15D036

background

#FEFEFC

surface

#FCFCF4

border

#D5D5CE

text

#15160D

muted

#84847F

Preview Lab

Preview with #C9E05B

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

Preview Lab → · Contrast checker → · Palette generator →