#63CF4C#63CF4C

#63CF4C is a light, vivid green. Relative luminance 0.478; OKLCH L 76.3% C 0.197 H 140.3°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#63CF4C
RGB	rgb(99, 207, 76)
HSL	hsl(109, 58%, 55%)
HSV	hsv(109, 63%, 81%)
CMYK	cmyk(52.2%, 0%, 63.3%, 18.8%)
CIE-LAB	lab(74.70, -55.25, 54.13)
CIE-LCH	lch(74.70, 77.35, 135.59°)
OKLab	oklab(76.34% -0.1514 0.1256)
OKLCH	oklch(76.34% 0.197 140.3)
XYZ	xyz(28.7617, 47.7978, 14.5464)
Luminance	0.4780 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CF4C #B84CCF

analogous

#A4CF4C #63CF4C #4CCF77

triadic

#63CF4C #4C63CF #CF4C63

tetradic

#63CF4C #4CA4CF #B84CCF #CF774C

square

#63CF4C #4CA4CF #B84CCF #CF774C

split-complementary

#63CF4C #774CCF #CF4CA4

monochromatic

#327F22 #45AF2F #63CF4C #8DDC7C #B7E9AD

Accessibility & contrast

On white

1.99

#63CF4C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#63CF4C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF4C

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CF4C	#FFFFFF	#000000	##000000
##63CF4C	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)

#D4BE3C

Deuteranopia (green-blind)

#C6B457

Tritanopia (blue-blind)

#57C9B4

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63cf4c;
/* rgb */ color: rgb(99, 207, 76);
/* oklch */ color: oklch(76.3% 0.197 140.3);

Tailwind

colors: {
  custom: {
    50: '#98de83',
    500: '#63cf4c',
    950: '#000000',
  },
}

SCSS

$custom: #63cf4c;
$custom-light: #98de83;
$custom-dark: #000000;

JSON

{
  "hex": "#63cf4c",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 76
  },
  "hsl": {
    "h": 109.466,
    "s": 57.709,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76339,
    "c": 0.19667,
    "h": 140.3
  },
  "luminance": 0.478
}

Semantic roles & 50–950 ramp

primary

#63CF4C

secondary

#CDA0D7

accent

#47E1C6

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0F150B

muted

#7E837C

Preview Lab

Preview with #63CF4C

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

Preview Lab → · Contrast checker → · Palette generator →