#90CF51#90CF51

#90CF51 is a light, vivid yellow-green. Relative luminance 0.511; OKLCH L 78.6% C 0.170 H 131.7°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#90CF51
RGB	rgb(144, 207, 81)
HSL	hsl(90, 57%, 56%)
HSV	hsv(90, 61%, 81%)
CMYK	cmyk(30.4%, 0%, 60.9%, 18.8%)
CIE-LAB	lab(76.77, -40.46, 54.86)
CIE-LCH	lch(76.77, 68.17, 126.41°)
OKLab	oklab(78.6% -0.1133 0.1272)
OKLCH	oklch(78.6% 0.17 131.7)
XYZ	xyz(35.2992, 51.1479, 15.7957)
Luminance	0.5115 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90CF51 #9051CF

analogous

#CFCF51 #90CF51 #51CF51

triadic

#90CF51 #5190CF #CF5190

tetradic

#90CF51 #51CFCF #9051CF #CF5151

square

#90CF51 #51CFCF #9051CF #CF5151

split-complementary

#90CF51 #5151CF #CF51CF

monochromatic

#538224 #71B231 #90CF51 #AFDC81 #CDE9B1

Accessibility & contrast

On white

1.87

#90CF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#90CF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90CF51

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90CF51	#FFFFFF	#000000	##000000
##90CF51	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C143

Deuteranopia (green-blind)

#CFBC5A

Tritanopia (blue-blind)

#92C7B4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #90cf51;
/* rgb */ color: rgb(144, 207, 81);
/* oklch */ color: oklch(78.6% 0.170 131.7);

Tailwind

colors: {
  custom: {
    50: '#b4de87',
    500: '#90cf51',
    950: '#000000',
  },
}

SCSS

$custom: #90cf51;
$custom-light: #b4de87;
$custom-dark: #000000;

JSON

{
  "hex": "#90cf51",
  "rgb": {
    "r": 144,
    "g": 207,
    "b": 81
  },
  "hsl": {
    "h": 90,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.78596,
    "c": 0.17036,
    "h": 131.7
  },
  "luminance": 0.51149
}

Semantic roles & 50–950 ramp

primary

#90CF51

secondary

#623B89

accent

#48E094

background

#FDFEFC

surface

#F8FCF3

border

#D1D5CD

text

#11150C

muted

#81847F

Preview Lab

Preview with #90CF51

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

Preview Lab → · Contrast checker → · Palette generator →