#90DD51#90DD51

#90DD51 is a light, vivid yellow-green. Relative luminance 0.582; OKLCH L 81.9% C 0.189 H 133.5°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX#90DD51
RGBrgb(144, 221, 81)
HSLhsl(93, 67%, 59%)
HSVhsv(93, 63%, 87%)
CMYKcmyk(34.8%, 0%, 63.3%, 13.3%)
CIE-LABlab(80.87, -46.49, 59.37)
CIE-LCHlch(80.87, 75.41, 128.07°)
OKLaboklab(81.93% -0.1299 0.1368)
OKLCHoklch(81.93% 0.189 133.5)
XYZxyz(38.8426, 58.2346, 16.9768)
Luminance0.5824 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#90DD51 #9E51DD
analogous
#D6DD51 #90DD51 #51DD58
triadic
#90DD51 #5190DD #DD5190
tetradic
#90DD51 #51D6DD #9E51DD #DD5851
square
#90DD51 #51D6DD #9E51DD #DD5851
split-complementary
#90DD51 #5851DD #DD51D6
monochromatic
#54961D #70C927 #90DD51 #B1E784 #D1F1B7

Accessibility & contrast

On white

1.66
#90DD51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.65
#90DD51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90DD51
12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##90DD51#FFFFFF#000000##000000
##90DD511.001.6612.6512.65
#FFFFFF1.661.0021.0021.00
#00000012.6521.001.001.00
##00000012.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E5CD40
Deuteranopia (green-blind)
#DBC75C
Tritanopia (blue-blind)
#90D5C0
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #90dd51;
/* rgb */ color: rgb(144, 221, 81);
/* oklch */ color: oklch(81.9% 0.189 133.5);
Tailwind
colors: {
  custom: {
    50: '#b5e888',
    500: '#90dd51',
    950: '#000000',
  },
}
SCSS
$custom: #90dd51;
$custom-light: #b5e888;
$custom-dark: #000000;
JSON
{
  "hex": "#90dd51",
  "rgb": {
    "r": 144,
    "g": 221,
    "b": 81
  },
  "hsl": {
    "h": 93,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81934,
    "c": 0.18859,
    "h": 133.5
  },
  "luminance": 0.58236
}

Semantic roles & 50–950 ramp

primary
#90DD51
secondary
#6E389B
accent
#3EEA9D
background
#FDFEFC
surface
#F8FCF4
border
#D1D5CE
text
#12160C
muted
#82847F

Preview Lab

Preview with #90DD51

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

Preview Lab → · Contrast checker → · Palette generator →

#90DD51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva