#90CF3B#90CF3B

#90CF3B is a light, vivid yellow-green. Relative luminance 0.509; OKLCH L 78.4% C 0.186 H 130.0°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#90CF3B
RGB	rgb(144, 207, 59)
HSL	hsl(86, 61%, 52%)
HSV	hsv(86, 71%, 81%)
CMYK	cmyk(30.4%, 0%, 71.5%, 18.8%)
CIE-LAB	lab(76.60, -42.11, 63.41)
CIE-LCH	lch(76.60, 76.12, 123.59°)
OKLab	oklab(78.41% -0.1196 0.1424)
OKLCH	oklch(78.41% 0.186 130)
XYZ	xyz(34.6036, 50.8696, 12.1325)
Luminance	0.5087 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90CF3B #7A3BCF

analogous

#CFC43B #90CF3B #46CF3B

triadic

#90CF3B #3B90CF #CF3B90

tetradic

#90CF3B #3BCFC4 #7A3BCF #CF3B46

square

#90CF3B #3BCFC4 #7A3BCF #CF3B46

split-complementary

#90CF3B #3B46CF #C43BCF

monochromatic

#4E731C #70A528 #90CF3B #ACDB6C #C8E79D

Accessibility & contrast

On white

1.88

#90CF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#90CF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90CF3B

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90CF3B	#FFFFFF	#000000	##000000
##90CF3B	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C021

Deuteranopia (green-blind)

#D0BB49

Tritanopia (blue-blind)

#94C6B2

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #90cf3b;
/* rgb */ color: rgb(144, 207, 59);
/* oklch */ color: oklch(78.4% 0.186 130.0);

Tailwind

colors: {
  custom: {
    50: '#b5de7a',
    500: '#90cf3b',
    950: '#000000',
  },
}

SCSS

$custom: #90cf3b;
$custom-light: #b5de7a;
$custom-dark: #000000;

JSON

{
  "hex": "#90cf3b",
  "rgb": {
    "r": 144,
    "g": 207,
    "b": 59
  },
  "hsl": {
    "h": 85.541,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.78405,
    "c": 0.18595,
    "h": 130
  },
  "luminance": 0.50871
}

Semantic roles & 50–950 ramp

primary

#90CF3B

secondary

#52327C

accent

#44E488

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #90CF3B

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

Preview Lab → · Contrast checker → · Palette generator →