#63CF39#63CF39

#63CF39 is a light, highly saturated green. Relative luminance 0.476; OKLCH L 76.2% C 0.209 H 138.5°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#63CF39
RGB	rgb(99, 207, 57)
HSL	hsl(103, 61%, 52%)
HSV	hsv(103, 72%, 81%)
CMYK	cmyk(52.2%, 0%, 72.5%, 18.8%)
CIE-LAB	lab(74.55, -56.85, 61.41)
CIE-LCH	lch(74.55, 83.68, 132.79°)
OKLab	oklab(76.17% -0.1569 0.1386)
OKLCH	oklch(76.17% 0.209 138.5)
XYZ	xyz(28.1959, 47.5715, 11.5665)
Luminance	0.4757 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CF39 #A539CF

analogous

#AECF39 #63CF39 #39CF5A

triadic

#63CF39 #3963CF #CF3963

tetradic

#63CF39 #39AECF #A539CF #CF5A39

square

#63CF39 #39AECF #A539CF #CF5A39

split-complementary

#63CF39 #5A39CF #CF39AE

monochromatic

#34721C #4AA328 #63CF39 #8ADB6A #B1E79C

Accessibility & contrast

On white

2.00

#63CF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.51

#63CF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF39

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CF39	#FFFFFF	#000000	##000000
##63CF39	1.00	2.00	10.51	10.51
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.51	21.00	1.00	1.00
##000000	10.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD1D

Deuteranopia (green-blind)

#C7B448

Tritanopia (blue-blind)

#5AC8B2

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63cf39;
/* rgb */ color: rgb(99, 207, 57);
/* oklch */ color: oklch(76.2% 0.209 138.5);

Tailwind

colors: {
  custom: {
    50: '#99de79',
    500: '#63cf39',
    950: '#000000',
  },
}

SCSS

$custom: #63cf39;
$custom-light: #99de79;
$custom-dark: #000000;

JSON

{
  "hex": "#63cf39",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 57
  },
  "hsl": {
    "h": 103.2,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.76174,
    "c": 0.20931,
    "h": 138.5
  },
  "luminance": 0.47574
}

Semantic roles & 50–950 ramp

primary

#63CF39

secondary

#C091D3

accent

#44E4B7

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #63CF39

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

Preview Lab → · Contrast checker → · Palette generator →