#63CA5B#63CA5B

#63CA5B is a light, vivid green. Relative luminance 0.456; OKLCH L 75.3% C 0.178 H 142.3°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#63CA5B
RGB	rgb(99, 202, 91)
HSL	hsl(116, 51%, 57%)
HSV	hsv(116, 55%, 79%)
CMYK	cmyk(51%, 0%, 55%, 20.8%)
CIE-LAB	lab(73.32, -51.68, 45.83)
CIE-LCH	lch(73.32, 69.08, 138.44°)
OKLab	oklab(75.25% -0.1409 0.109)
OKLCH	oklch(75.25% 0.178 142.3)
XYZ	xyz(28.1531, 45.6469, 17.2227)
Luminance	0.4565 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CA5B #C25BCA

analogous

#9ACA5B #63CA5B #5BCA8B

triadic

#63CA5B #5B63CA #CA5B63

tetradic

#63CA5B #5B9ACA #C25BCA #CA8B5B

square

#63CA5B #5B9ACA #C25BCA #CA8B5B

split-complementary

#63CA5B #8B5BCA #CA5B9A

monochromatic

#30812A #41AF39 #63CA5B #8FD989 #BBE8B8

Accessibility & contrast

On white

2.07

#63CA5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#63CA5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CA5B

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CA5B	#FFFFFF	#000000	##000000
##63CA5B	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBA50

Deuteranopia (green-blind)

#C1B163

Tritanopia (blue-blind)

#56C5B1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63ca5b;
/* rgb */ color: rgb(99, 202, 91);
/* oklch */ color: oklch(75.3% 0.178 142.3);

Tailwind

colors: {
  custom: {
    50: '#97db8c',
    500: '#63ca5b',
    950: '#000000',
  },
}

SCSS

$custom: #63ca5b;
$custom-light: #97db8c;
$custom-dark: #000000;

JSON

{
  "hex": "#63ca5b",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 91
  },
  "hsl": {
    "h": 115.676,
    "s": 51.152,
    "l": 57.451
  },
  "oklch": {
    "l": 0.75252,
    "c": 0.17814,
    "h": 142.3
  },
  "luminance": 0.45649
}

Semantic roles & 50–950 ramp

primary

#63CA5B

secondary

#D4AAD7

accent

#4DDBD0

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150C

muted

#7E837D

Preview Lab

Preview with #63CA5B

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

Preview Lab → · Contrast checker → · Palette generator →