#90C638#90C638

#90C638 is a light, vivid yellow-green. Relative luminance 0.466; OKLCH L 76.2% C 0.177 H 128.3°. Best body text is #000000 at 10.32:1 contrast (WCAG AA passes).

Color values

HEX#90C638
RGBrgb(144, 198, 56)
HSLhsl(83, 56%, 50%)
HSVhsv(83, 72%, 78%)
CMYKcmyk(27.3%, 0%, 71.7%, 22.4%)
CIE-LABlab(73.93, -38.34, 61.83)
CIE-LCHlch(73.93, 72.75, 121.80°)
OKLaboklab(76.23% -0.1095 0.1386)
OKLCHoklch(76.23% 0.177 128.3)
XYZxyz(32.4095, 46.6022, 11.0282)
Luminance0.4660 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#90C638 #6E38C6
analogous
#C6B538 #90C638 #49C638
triadic
#90C638 #3890C6 #C63890
tetradic
#90C638 #38C6B5 #6E38C6 #C63849
square
#90C638 #38C6B5 #6E38C6 #C63849
split-complementary
#90C638 #3849C6 #B538C6
monochromatic
#4B671D #6D962B #90C638 #ABD467 #C5E297

Accessibility & contrast

On white

2.03
#90C638 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.32
#90C638 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90C638
10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##90C638#FFFFFF#000000##000000
##90C6381.002.0310.3210.32
#FFFFFF2.031.0021.0021.00
#00000010.3221.001.001.00
##00000010.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0B81F
Deuteranopia (green-blind)
#C8B545
Tritanopia (blue-blind)
#95BDAA
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #90c638;
/* rgb */ color: rgb(144, 198, 56);
/* oklch */ color: oklch(76.2% 0.177 128.3);
Tailwind
colors: {
  custom: {
    50: '#b5d778',
    500: '#90c638',
    950: '#000000',
  },
}
SCSS
$custom: #90c638;
$custom-light: #b5d778;
$custom-dark: #000000;
JSON
{
  "hex": "#90c638",
  "rgb": {
    "r": 144,
    "g": 198,
    "b": 56
  },
  "hsl": {
    "h": 82.817,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.76231,
    "c": 0.17668,
    "h": 128.3
  },
  "luminance": 0.46603
}

Semantic roles & 50–950 ramp

primary
#90C638
secondary
#A58DCD
accent
#49DF82
background
#FBFDF7
surface
#F6FAEE
border
#D0D3C9
text
#121409
muted
#81837B

Preview Lab

Preview with #90C638

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

Preview Lab → · Contrast checker → · Palette generator →

#90C638 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva