#C9F631#C9F631

#C9F631 is a very light, highly saturated yellow-green. Relative luminance 0.786; OKLCH L 91.0% C 0.210 H 122.6°. Best body text is #000000 at 16.71:1 contrast (WCAG AA passes).

Color values

HEX#C9F631
RGBrgb(201, 246, 49)
HSLhsl(74, 92%, 58%)
HSVhsv(74, 80%, 96%)
CMYKcmyk(18.3%, 0%, 80.1%, 3.5%)
CIE-LABlab(91.03, -38.22, 81.17)
CIE-LCHlch(91.03, 89.72, 115.22°)
OKLaboklab(90.97% -0.1129 0.1768)
OKLCHoklch(90.97% 0.21 122.6)
XYZxyz(57.5984, 78.5506, 15.0325)
Luminance0.7855 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C9F631 #5E31F6
analogous
#F6C131 #C9F631 #66F631
triadic
#C9F631 #31C9F6 #F631C9
tetradic
#C9F631 #31F6C1 #5E31F6 #F63166
square
#C9F631 #31F6C1 #5E31F6 #F63166
split-complementary
#C9F631 #3166F6 #C131F6
monochromatic
#81A507 #AFE00A #C9F631 #D8F96C #E8FBA6

Accessibility & contrast

On white

1.26
#C9F631 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.71
#C9F631 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F631
16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C9F631#FFFFFF#000000##000000
##C9F6311.001.2616.7116.71
#FFFFFF1.261.0021.0021.00
#00000016.7121.001.001.00
##00000016.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE600
Deuteranopia (green-blind)
#FFE547
Tritanopia (blue-blind)
#D4E9D3
Achromatopsia (no color)
#E5E5E5

Design tokens & code

CSS
--color: #c9f631;
/* rgb */ color: rgb(201, 246, 49);
/* oklch */ color: oklch(91.0% 0.210 122.6);
Tailwind
colors: {
  custom: {
    50: '#def97b',
    500: '#c9f631',
    950: '#000000',
  },
}
SCSS
$custom: #c9f631;
$custom-light: #def97b;
$custom-dark: #000000;
JSON
{
  "hex": "#c9f631",
  "rgb": {
    "r": 201,
    "g": 246,
    "b": 49
  },
  "hsl": {
    "h": 73.706,
    "s": 91.628,
    "l": 57.843
  },
  "oklch": {
    "l": 0.9097,
    "c": 0.20979,
    "h": 122.6
  },
  "luminance": 0.78551
}

Semantic roles & 50–950 ramp

primary
#C9F631
secondary
#4224A7
accent
#29FF5A
background
#FEFFFB
surface
#FCFFF2
border
#D5D7CC
text
#16170B
muted
#84857E

Preview Lab

Preview with #C9F631

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

Preview Lab → · Contrast checker → · Palette generator →

#C9F631 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva