#90E451#90E451

#90E451 is a very light, vivid yellow-green. Relative luminance 0.620; OKLCH L 83.6% C 0.197 H 134.3°. Best body text is #000000 at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#90E451
RGB	rgb(144, 228, 81)
HSL	hsl(94, 73%, 61%)
HSV	hsv(94, 64%, 89%)
CMYK	cmyk(36.8%, 0%, 64.5%, 10.6%)
CIE-LAB	lab(82.92, -49.41, 61.59)
CIE-LCH	lch(82.92, 78.96, 128.74°)
OKLab	oklab(83.6% -0.1378 0.1415)
OKLCH	oklch(83.6% 0.197 134.3)
XYZ	xyz(40.7294, 62.0083, 17.6058)
Luminance	0.6201 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90E451 #A551E4

analogous

#D9E451 #90E451 #51E45C

triadic

#90E451 #5190E4 #E45190

tetradic

#90E451 #51D9E4 #A551E4 #E45C51

square

#90E451 #51D9E4 #A551E4 #E45C51

split-complementary

#90E451 #5C51E4 #E451D9

monochromatic

#54A219 #6FD721 #90E451 #B2EC86 #D4F4BB

Accessibility & contrast

On white

1.57

#90E451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.40

#90E451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90E451

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90E451	#FFFFFF	#000000	##000000
##90E451	1.00	1.57	13.40	13.40
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.40	21.00	1.00	1.00
##000000	13.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD33E

Deuteranopia (green-blind)

#E1CC5D

Tritanopia (blue-blind)

#8FDCC6

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #90e451;
/* rgb */ color: rgb(144, 228, 81);
/* oklch */ color: oklch(83.6% 0.197 134.3);

Tailwind

colors: {
  custom: {
    50: '#b6ed88',
    500: '#90e451',
    950: '#000000',
  },
}

SCSS

$custom: #90e451;
$custom-light: #b6ed88;
$custom-dark: #000000;

JSON

{
  "hex": "#90e451",
  "rgb": {
    "r": 144,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 94.286,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.83605,
    "c": 0.19749,
    "h": 134.3
  },
  "luminance": 0.6201
}

Semantic roles & 50–950 ramp

primary

#90E451

secondary

#7535A4

accent

#10D581

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#12160C

muted

#82857F

Preview Lab

Preview with #90E451

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

Preview Lab → · Contrast checker → · Palette generator →