#63CB4B#63CB4B

#63CB4B is a light, vivid green. Relative luminance 0.459; OKLCH L 75.3% C 0.192 H 140.1°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#63CB4B
RGB	rgb(99, 203, 75)
HSL	hsl(109, 55%, 55%)
HSV	hsv(109, 63%, 80%)
CMYK	cmyk(51.2%, 0%, 63.1%, 20.4%)
CIE-LAB	lab(73.46, -53.83, 53.19)
CIE-LCH	lch(73.46, 75.67, 135.34°)
OKLab	oklab(75.32% -0.1476 0.1235)
OKLCH	oklch(75.32% 0.192 140.1)
XYZ	xyz(27.7704, 45.8704, 14.0457)
Luminance	0.4587 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CB4B #B34BCB

analogous

#A3CB4B #63CB4B #4BCB73

triadic

#63CB4B #4B63CB #CB4B63

tetradic

#63CB4B #4BA3CB #B34BCB #CB734B

square

#63CB4B #4BA3CB #B34BCB #CB734B

split-complementary

#63CB4B #734BCB #CB4BA3

monochromatic

#337923 #47A831 #63CB4B #8CD97A #B5E6AA

Accessibility & contrast

On white

2.06

#63CB4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#63CB4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CB4B

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CB4B	#FFFFFF	#000000	##000000
##63CB4B	1.00	2.06	10.17	10.17
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BA3C

Deuteranopia (green-blind)

#C3B156

Tritanopia (blue-blind)

#58C5B0

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63cb4b;
/* rgb */ color: rgb(99, 203, 75);
/* oklch */ color: oklch(75.3% 0.192 140.1);

Tailwind

colors: {
  custom: {
    50: '#98dc82',
    500: '#63cb4b',
    950: '#000000',
  },
}

SCSS

$custom: #63cb4b;
$custom-light: #98dc82;
$custom-dark: #000000;

JSON

{
  "hex": "#63cb4b",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 75
  },
  "hsl": {
    "h": 108.75,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.75319,
    "c": 0.1924,
    "h": 140.1
  },
  "luminance": 0.45873
}

Semantic roles & 50–950 ramp

primary

#63CB4B

secondary

#CA9ED4

accent

#49DFC3

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0F150B

muted

#7E837C

Preview Lab

Preview with #63CB4B

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

Preview Lab → · Contrast checker → · Palette generator →