#63CF33#63CF33

#63CF33 is a light, highly saturated green. Relative luminance 0.475; OKLCH L 76.1% C 0.213 H 138.1°. Best body text is #000000 at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#63CF33
RGB	rgb(99, 207, 51)
HSL	hsl(102, 62%, 51%)
HSV	hsv(102, 75%, 81%)
CMYK	cmyk(52.2%, 0%, 75.4%, 18.8%)
CIE-LAB	lab(74.52, -57.25, 63.42)
CIE-LCH	lch(74.52, 85.44, 132.08°)
OKLab	oklab(76.13% -0.1583 0.142)
OKLCH	oklch(76.13% 0.213 138.1)
XYZ	xyz(28.0550, 47.5152, 10.8243)
Luminance	0.4752 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CF33 #9F33CF

analogous

#B1CF33 #63CF33 #33CF51

triadic

#63CF33 #3363CF #CF3363

tetradic

#63CF33 #33B1CF #9F33CF #CF5133

square

#63CF33 #33B1CF #9F33CF #CF5133

split-complementary

#63CF33 #5133CF #CF33B1

monochromatic

#346E1A #4B9F25 #63CF33 #89DB65 #AFE696

Accessibility & contrast

On white

2.00

#63CF33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.50

#63CF33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF33

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CF33	#FFFFFF	#000000	##000000
##63CF33	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)

#D6BD0E

Deuteranopia (green-blind)

#C8B444

Tritanopia (blue-blind)

#5AC8B1

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63cf33;
/* rgb */ color: rgb(99, 207, 51);
/* oklch */ color: oklch(76.1% 0.213 138.1);

Tailwind

colors: {
  custom: {
    50: '#9ade76',
    500: '#63cf33',
    950: '#000000',
  },
}

SCSS

$custom: #63cf33;
$custom-light: #9ade76;
$custom-dark: #000000;

JSON

{
  "hex": "#63cf33",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 51
  },
  "hsl": {
    "h": 101.538,
    "s": 61.905,
    "l": 50.588
  },
  "oklch": {
    "l": 0.76134,
    "c": 0.21262,
    "h": 138.1
  },
  "luminance": 0.47517
}

Semantic roles & 50–950 ramp

primary

#63CF33

secondary

#BC8CD2

accent

#43E5B3

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #63CF33

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

Preview Lab → · Contrast checker → · Palette generator →