#63CF4B#63CF4B

#63CF4B is a light, vivid green. Relative luminance 0.478; OKLCH L 76.3% C 0.197 H 140.2°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#63CF4B
RGB	rgb(99, 207, 75)
HSL	hsl(109, 58%, 55%)
HSV	hsv(109, 64%, 81%)
CMYK	cmyk(52.2%, 0%, 63.8%, 18.8%)
CIE-LAB	lab(74.69, -55.35, 54.55)
CIE-LCH	lch(74.69, 77.71, 135.42°)
OKLab	oklab(76.33% -0.1517 0.1263)
OKLCH	oklch(76.33% 0.197 140.2)
XYZ	xyz(28.7272, 47.7840, 14.3647)
Luminance	0.4779 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CF4B #B74BCF

analogous

#A5CF4B #63CF4B #4BCF75

triadic

#63CF4B #4B63CF #CF4B63

tetradic

#63CF4B #4BA5CF #B74BCF #CF754B

square

#63CF4B #4BA5CF #B74BCF #CF754B

split-complementary

#63CF4B #754BCF #CF4BA5

monochromatic

#327E22 #46AE2E #63CF4B #8DDC7B #B7E9AC

Accessibility & contrast

On white

1.99

#63CF4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#63CF4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF4B

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CF4B	#FFFFFF	#000000	##000000
##63CF4B	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD3B

Deuteranopia (green-blind)

#C6B456

Tritanopia (blue-blind)

#57C9B3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63cf4b;
/* rgb */ color: rgb(99, 207, 75);
/* oklch */ color: oklch(76.3% 0.197 140.2);

Tailwind

colors: {
  custom: {
    50: '#99de83',
    500: '#63cf4b',
    950: '#000000',
  },
}

SCSS

$custom: #63cf4b;
$custom-light: #99de83;
$custom-dark: #000000;

JSON

{
  "hex": "#63cf4b",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 75
  },
  "hsl": {
    "h": 109.091,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.76329,
    "c": 0.19741,
    "h": 140.2
  },
  "luminance": 0.47786
}

Semantic roles & 50–950 ramp

primary

#63CF4B

secondary

#CC9FD6

accent

#47E1C5

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0F150B

muted

#7E837C

Preview Lab

Preview with #63CF4B

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

Preview Lab → · Contrast checker → · Palette generator →