#90EF57#90EF57

#90EF57 is a very light, highly saturated yellow-green. Relative luminance 0.683; OKLCH L 86.3% C 0.207 H 135.7°. Best body text is #000000 at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#90EF57
RGB	rgb(144, 239, 87)
HSL	hsl(98, 83%, 64%)
HSV	hsv(98, 64%, 94%)
CMYK	cmyk(39.7%, 0%, 63.6%, 6.3%)
CIE-LAB	lab(86.18, -53.39, 62.70)
CIE-LCH	lch(86.18, 82.35, 130.41°)
OKLab	oklab(86.29% -0.1482 0.1445)
OKLCH	oklch(86.29% 0.207 135.7)
XYZ	xyz(44.0873, 68.3481, 19.8845)
Luminance	0.6835 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90EF57 #B657EF

analogous

#DCEF57 #90EF57 #57EF6A

triadic

#90EF57 #5790EF #EF5790

tetradic

#90EF57 #57DCEF #B657EF #EF6A57

square

#90EF57 #57DCEF #B657EF #EF6A57

split-complementary

#90EF57 #6A57EF #EF57DC

monochromatic

#51BA12 #6BEA1F #90EF57 #B5F48F #DAFAC7

Accessibility & contrast

On white

1.43

#90EF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.67

#90EF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90EF57

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90EF57	#FFFFFF	#000000	##000000
##90EF57	1.00	1.43	14.67	14.67
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.67	21.00	1.00	1.00
##000000	14.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD44

Deuteranopia (green-blind)

#EAD564

Tritanopia (blue-blind)

#8DE7CF

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #90ef57;
/* rgb */ color: rgb(144, 239, 87);
/* oklch */ color: oklch(86.3% 0.207 135.7);

Tailwind

colors: {
  custom: {
    50: '#b6f58d',
    500: '#90ef57',
    950: '#000000',
  },
}

SCSS

$custom: #90ef57;
$custom-light: #b6f58d;
$custom-dark: #000000;

JSON

{
  "hex": "#90ef57",
  "rgb": {
    "r": 144,
    "g": 239,
    "b": 87
  },
  "hsl": {
    "h": 97.5,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.86287,
    "c": 0.207,
    "h": 135.7
  },
  "luminance": 0.6835
}

Semantic roles & 50–950 ramp

primary

#90EF57

secondary

#8631B9

accent

#06DF8E

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#12170D

muted

#82857F

Preview Lab

Preview with #90EF57

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

Preview Lab → · Contrast checker → · Palette generator →