#90C540#90C540

#90C540 is a light, vivid yellow-green. Relative luminance 0.462; OKLCH L 76.1% C 0.170 H 128.6°. Best body text is #000000 at 10.25:1 contrast (WCAG AA passes).

Color values

HEX#90C540
RGBrgb(144, 197, 64)
HSLhsl(84, 53%, 51%)
HSVhsv(84, 68%, 77%)
CMYKcmyk(26.9%, 0%, 67.5%, 22.7%)
CIE-LABlab(73.70, -37.36, 58.58)
CIE-LCHlch(73.70, 69.48, 122.53°)
OKLaboklab(76.05% -0.1062 0.133)
OKLCHoklch(76.05% 0.17 128.6)
XYZxyz(32.3932, 46.2312, 12.0663)
Luminance0.4623 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#90C540 #7540C5
analogous
#C5B840 #90C540 #4DC540
triadic
#90C540 #4090C5 #C54090
tetradic
#90C540 #40C5B8 #7540C5 #C5404D
square
#90C540 #40C5B8 #7540C5 #C5404D
split-complementary
#90C540 #404DC5 #B840C5
monochromatic
#4D6A20 #6F992F #90C540 #ABD36F #C7E29E

Accessibility & contrast

On white

2.05
#90C540 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.25
#90C540 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90C540
10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##90C540#FFFFFF#000000##000000
##90C5401.002.0510.2510.25
#FFFFFF2.051.0021.0021.00
#00000010.2521.001.001.00
##00000010.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#CEB72D
Deuteranopia (green-blind)
#C7B44B
Tritanopia (blue-blind)
#94BCAA
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #90c540;
/* rgb */ color: rgb(144, 197, 64);
/* oklch */ color: oklch(76.1% 0.170 128.6);
Tailwind
colors: {
  custom: {
    50: '#b4d77c',
    500: '#90c540',
    950: '#000000',
  },
}
SCSS
$custom: #90c540;
$custom-light: #b4d77c;
$custom-dark: #000000;
JSON
{
  "hex": "#90c540",
  "rgb": {
    "r": 144,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 83.91,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.76055,
    "c": 0.17018,
    "h": 128.6
  },
  "luminance": 0.46232
}

Semantic roles & 50–950 ramp

primary
#90C540
secondary
#AA93CE
accent
#4BDD85
background
#FBFDF7
surface
#F6FAEE
border
#D0D3C9
text
#11140A
muted
#80837C

Preview Lab

Preview with #90C540

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

Preview Lab → · Contrast checker → · Palette generator →

#90C540 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva