#90CE51#90CE51

#90CE51 is a light, vivid yellow-green. Relative luminance 0.507; OKLCH L 78.4% C 0.169 H 131.6°. Best body text is #000000 at 11.13:1 contrast (WCAG AA passes).

Color values

HEX#90CE51
RGBrgb(144, 206, 81)
HSLhsl(90, 56%, 56%)
HSVhsv(90, 61%, 81%)
CMYKcmyk(30.1%, 0%, 60.7%, 19.2%)
CIE-LABlab(76.48, -40.02, 54.53)
CIE-LCHlch(76.48, 67.64, 126.28°)
OKLaboklab(78.36% -0.1121 0.1265)
OKLCHoklch(78.36% 0.169 131.6)
XYZxyz(35.0577, 50.6649, 15.7152)
Luminance0.5067 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#90CE51 #8F51CE
analogous
#CECE51 #90CE51 #52CE51
triadic
#90CE51 #5190CE #CE5190
tetradic
#90CE51 #51CECE #8F51CE #CE5152
square
#90CE51 #51CECE #8F51CE #CE5152
split-complementary
#90CE51 #5152CE #CE51CE
monochromatic
#538024 #71B032 #90CE51 #AEDB81 #CDE9B1

Accessibility & contrast

On white

1.89
#90CE51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.13
#90CE51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90CE51
11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##90CE51#FFFFFF#000000##000000
##90CE511.001.8911.1311.13
#FFFFFF1.891.0021.0021.00
#00000011.1321.001.001.00
##00000011.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#D6C043
Deuteranopia (green-blind)
#CEBB5A
Tritanopia (blue-blind)
#92C6B3
Achromatopsia (no color)
#BDBDBD

Design tokens & code

CSS
--color: #90ce51;
/* rgb */ color: rgb(144, 206, 81);
/* oklch */ color: oklch(78.4% 0.169 131.6);
Tailwind
colors: {
  custom: {
    50: '#b4dd86',
    500: '#90ce51',
    950: '#000000',
  },
}
SCSS
$custom: #90ce51;
$custom-light: #b4dd86;
$custom-dark: #000000;
JSON
{
  "hex": "#90ce51",
  "rgb": {
    "r": 144,
    "g": 206,
    "b": 81
  },
  "hsl": {
    "h": 89.76,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.78358,
    "c": 0.16903,
    "h": 131.6
  },
  "luminance": 0.50666
}

Semantic roles & 50–950 ramp

primary
#90CE51
secondary
#613B88
accent
#48DF93
background
#FDFEFB
surface
#F8FCF2
border
#D1D5CC
text
#11150B
muted
#81847E

Preview Lab

Preview with #90CE51

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

Preview Lab → · Contrast checker → · Palette generator →

#90CE51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva