#C9E555#C9E555

#C9E555 is a very light, vivid yellow-green. Relative luminance 0.691; OKLCH L 87.4% C 0.170 H 119.4°. Best body text is #000000 at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#C9E555
RGB	rgb(201, 229, 85)
HSL	hsl(72, 73%, 62%)
HSV	hsv(72, 63%, 90%)
CMYK	cmyk(12.2%, 0%, 62.9%, 10.2%)
CIE-LAB	lab(86.56, -28.60, 64.87)
CIE-LCH	lch(86.56, 70.89, 113.79°)
OKLab	oklab(87.43% -0.0835 0.1479)
OKLCH	oklch(87.43% 0.17 119.4)
XYZ	xyz(53.7473, 69.1123, 19.1011)
Luminance	0.6911 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9E555 #7155E5

analogous

#E5B955 #C9E555 #81E555

triadic

#C9E555 #55C9E5 #E555C9

tetradic

#C9E555 #55E5B9 #7155E5 #E55581

square

#C9E555 #55E5B9 #7155E5 #E55581

split-complementary

#C9E555 #5581E5 #B955E5

monochromatic

#8BA619 #B7DB22 #C9E555 #DAED8A #EBF5BF

Accessibility & contrast

On white

1.42

#C9E555 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.82

#C9E555 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9E555

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9E555	#FFFFFF	#000000	##000000
##C9E555	1.00	1.42	14.82	14.82
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.82	21.00	1.00	1.00
##000000	14.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D943

Deuteranopia (green-blind)

#F0D95F

Tritanopia (blue-blind)

#D4D9C7

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #c9e555;
/* rgb */ color: rgb(201, 229, 85);
/* oklch */ color: oklch(87.4% 0.170 119.4);

Tailwind

colors: {
  custom: {
    50: '#dced8b',
    500: '#c9e555',
    950: '#000000',
  },
}

SCSS

$custom: #c9e555;
$custom-light: #dced8b;
$custom-dark: #000000;

JSON

{
  "hex": "#c9e555",
  "rgb": {
    "r": 201,
    "g": 229,
    "b": 85
  },
  "hsl": {
    "h": 71.667,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.87431,
    "c": 0.16985,
    "h": 119.4
  },
  "luminance": 0.69112
}

Semantic roles & 50–950 ramp

primary

#C9E555

secondary

#4C36A8

accent

#10D636

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C9E555

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

Preview Lab → · Contrast checker → · Palette generator →