#63CF31#63CF31

#63CF31 is a light, highly saturated green. Relative luminance 0.475; OKLCH L 76.1% C 0.214 H 138.0°. Best body text is #000000 at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#63CF31
RGB	rgb(99, 207, 49)
HSL	hsl(101, 62%, 50%)
HSV	hsv(101, 76%, 81%)
CMYK	cmyk(52.2%, 0%, 76.3%, 18.8%)
CIE-LAB	lab(74.51, -57.38, 64.05)
CIE-LCH	lch(74.51, 85.99, 131.85°)
OKLab	oklab(76.12% -0.1587 0.143)
OKLCH	oklch(76.12% 0.214 138)
XYZ	xyz(28.0118, 47.4979, 10.5971)
Luminance	0.4750 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CF31 #9D31CF

analogous

#B2CF31 #63CF31 #31CF4E

triadic

#63CF31 #3163CF #CF3163

tetradic

#63CF31 #31B2CF #9D31CF #CF4E31

square

#63CF31 #31B2CF #9D31CF #CF4E31

split-complementary

#63CF31 #4E31CF #CF31B2

monochromatic

#346C19 #4B9E25 #63CF31 #89DB63 #AEE694

Accessibility & contrast

On white

2.00

#63CF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.50

#63CF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF31

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CF31	#FFFFFF	#000000	##000000
##63CF31	1.00	2.00	10.50	10.50
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.50	21.00	1.00	1.00
##000000	10.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD06

Deuteranopia (green-blind)

#C8B442

Tritanopia (blue-blind)

#5AC8B1

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63cf31;
/* rgb */ color: rgb(99, 207, 49);
/* oklch */ color: oklch(76.1% 0.214 138.0);

Tailwind

colors: {
  custom: {
    50: '#9ade75',
    500: '#63cf31',
    950: '#000000',
  },
}

SCSS

$custom: #63cf31;
$custom-light: #9ade75;
$custom-dark: #000000;

JSON

{
  "hex": "#63cf31",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 49
  },
  "hsl": {
    "h": 101.013,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.76121,
    "c": 0.21366,
    "h": 138
  },
  "luminance": 0.475
}

Semantic roles & 50–950 ramp

primary

#63CF31

secondary

#BB8BD1

accent

#43E5B2

background

#FAFDF7

surface

#F3FBED

border

#CDD4C8

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #63CF31

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

Preview Lab → · Contrast checker → · Palette generator →