#63CB5B#63CB5B

#63CB5B is a light, vivid green. Relative luminance 0.461; OKLCH L 75.5% C 0.179 H 142.3°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#63CB5B
RGB	rgb(99, 203, 91)
HSL	hsl(116, 52%, 58%)
HSV	hsv(116, 55%, 80%)
CMYK	cmyk(51.2%, 0%, 55.2%, 20.4%)
CIE-LAB	lab(73.62, -52.08, 46.19)
CIE-LCH	lch(73.62, 69.61, 138.43°)
OKLab	oklab(75.5% -0.1419 0.1098)
OKLCH	oklch(75.5% 0.179 142.3)
XYZ	xyz(28.3885, 46.1176, 17.3011)
Luminance	0.4612 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CB5B #C35BCB

analogous

#9BCB5B #63CB5B #5BCB8B

triadic

#63CB5B #5B63CB #CB5B63

tetradic

#63CB5B #5B9BCB #C35BCB #CB8B5B

square

#63CB5B #5B9BCB #C35BCB #CB8B5B

split-complementary

#63CB5B #8B5BCB #CB5B9B

monochromatic

#308229 #41B138 #63CB5B #8FDA89 #BBE8B8

Accessibility & contrast

On white

2.05

#63CB5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#63CB5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CB5B

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CB5B	#FFFFFF	#000000	##000000
##63CB5B	1.00	2.05	10.22	10.22
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBB50

Deuteranopia (green-blind)

#C1B163

Tritanopia (blue-blind)

#56C6B2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63cb5b;
/* rgb */ color: rgb(99, 203, 91);
/* oklch */ color: oklch(75.5% 0.179 142.3);

Tailwind

colors: {
  custom: {
    50: '#97dc8c',
    500: '#63cb5b',
    950: '#000000',
  },
}

SCSS

$custom: #63cb5b;
$custom-light: #97dc8c;
$custom-dark: #000000;

JSON

{
  "hex": "#63cb5b",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 91
  },
  "hsl": {
    "h": 115.714,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.75503,
    "c": 0.17947,
    "h": 142.3
  },
  "luminance": 0.4612
}

Semantic roles & 50–950 ramp

primary

#63CB5B

secondary

#D4AAD7

accent

#4CDBD1

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150C

muted

#7E837D

Preview Lab

Preview with #63CB5B

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

Preview Lab → · Contrast checker → · Palette generator →