#63E990#63E990

#63E990 is a very light, vivid green. Relative luminance 0.629; OKLCH L 83.8% C 0.172 H 151.9°. Best body text is #000000 at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#63E990
RGB	rgb(99, 233, 144)
HSL	hsl(140, 75%, 65%)
HSV	hsv(140, 58%, 91%)
CMYK	cmyk(57.5%, 0%, 38.2%, 8.6%)
CIE-LAB	lab(83.41, -55.95, 32.52)
CIE-LCH	lch(83.41, 64.71, 149.83°)
OKLab	oklab(83.78% -0.1515 0.081)
OKLCH	oklch(83.78% 0.172 151.9)
XYZ	xyz(39.3156, 62.9404, 36.4570)
Luminance	0.6294 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63E990 #E963BC

analogous

#79E963 #63E990 #63E9D3

triadic

#63E990 #9063E9 #E99063

tetradic

#63E990 #6379E9 #E963BC #E9D363

square

#63E990 #6379E9 #E963BC #E9D363

split-complementary

#63E990 #D363E9 #E96379

monochromatic

#1AB84F #2DE16A #63E990 #99F1B6 #CEF8DC

Accessibility & contrast

On white

1.55

#63E990 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.59

#63E990 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63E990

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63E990	#FFFFFF	#000000	##000000
##63E990	1.00	1.55	13.59	13.59
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.59	21.00	1.00	1.00
##000000	13.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD78A

Deuteranopia (green-blind)

#D8CB96

Tritanopia (blue-blind)

#3BE6D3

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #63e990;
/* rgb */ color: rgb(99, 233, 144);
/* oklch */ color: oklch(83.8% 0.172 151.9);

Tailwind

colors: {
  custom: {
    50: '#9af1b1',
    500: '#63e990',
    950: '#000000',
  },
}

SCSS

$custom: #63e990;
$custom-light: #9af1b1;
$custom-dark: #000000;

JSON

{
  "hex": "#63e990",
  "rgb": {
    "r": 99,
    "g": 233,
    "b": 144
  },
  "hsl": {
    "h": 140.149,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.83776,
    "c": 0.17184,
    "h": 151.9
  },
  "luminance": 0.62944
}

Semantic roles & 50–950 ramp

primary

#63E990

secondary

#B7398D

accent

#0E94D7

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1711

muted

#808581

Preview Lab

Preview with #63E990

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

Preview Lab → · Contrast checker → · Palette generator →