#63CB3C#63CB3C

#63CB3C is a light, highly saturated green. Relative luminance 0.457; OKLCH L 75.2% C 0.203 H 138.6°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#63CB3C
RGB	rgb(99, 203, 60)
HSL	hsl(104, 58%, 52%)
HSV	hsv(104, 70%, 80%)
CMYK	cmyk(51.2%, 0%, 70.4%, 20.4%)
CIE-LAB	lab(73.34, -55.14, 59.08)
CIE-LCH	lch(73.34, 80.81, 133.02°)
OKLab	oklab(75.18% -0.152 0.1341)
OKLCH	oklch(75.18% 0.203 138.6)
XYZ	xyz(27.3161, 45.6887, 11.6535)
Luminance	0.4569 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CB3C #A43CCB

analogous

#ABCB3C #63CB3C #3CCB5D

triadic

#63CB3C #3C63CB #CB3C63

tetradic

#63CB3C #3CABCB #A43CCB #CB5D3C

square

#63CB3C #3CABCB #A43CCB #CB5D3C

split-complementary

#63CB3C #5D3CCB #CB3CAB

monochromatic

#346F1E #4A9F2A #63CB3C #8AD86C #B0E59D

Accessibility & contrast

On white

2.07

#63CB3C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#63CB3C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CB3C

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CB3C	#FFFFFF	#000000	##000000
##63CB3C	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA25

Deuteranopia (green-blind)

#C4B14A

Tritanopia (blue-blind)

#5AC4AF

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63cb3c;
/* rgb */ color: rgb(99, 203, 60);
/* oklch */ color: oklch(75.2% 0.203 138.6);

Tailwind

colors: {
  custom: {
    50: '#99dc7a',
    500: '#63cb3c',
    950: '#000000',
  },
}

SCSS

$custom: #63cb3c;
$custom-light: #99dc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#63cb3c",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 60
  },
  "hsl": {
    "h": 103.636,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.75184,
    "c": 0.20274,
    "h": 138.6
  },
  "luminance": 0.45691
}

Semantic roles & 50–950 ramp

primary

#63CB3C

secondary

#C092D1

accent

#47E1B7

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0F150A

muted

#7E837C

Preview Lab

Preview with #63CB3C

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

Preview Lab → · Contrast checker → · Palette generator →