#63CC39#63CC39

#63CC39 is a light, highly saturated green. Relative luminance 0.461; OKLCH L 75.4% C 0.206 H 138.4°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#63CC39
RGB	rgb(99, 204, 57)
HSL	hsl(103, 59%, 51%)
HSV	hsv(103, 72%, 80%)
CMYK	cmyk(51.5%, 0%, 72.1%, 20%)
CIE-LAB	lab(73.63, -55.74, 60.48)
CIE-LCH	lch(73.63, 82.24, 132.66°)
OKLab	oklab(75.41% -0.1538 0.1366)
OKLCH	oklch(75.41% 0.206 138.4)
XYZ	xyz(27.4760, 46.1317, 11.3266)
Luminance	0.4613 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CC39 #A239CC

analogous

#ACCC39 #63CC39 #39CC58

triadic

#63CC39 #3963CC #CC3963

tetradic

#63CC39 #39ACCC #A239CC #CC5839

square

#63CC39 #39ACCC #A239CC #CC5839

split-complementary

#63CC39 #5839CC #CC39AC

monochromatic

#346E1C #4B9F29 #63CC39 #89D96A #B0E59A

Accessibility & contrast

On white

2.05

#63CC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#63CC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CC39

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CC39	#FFFFFF	#000000	##000000
##63CC39	1.00	2.05	10.23	10.23
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.23	21.00	1.00	1.00
##000000	10.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA1F

Deuteranopia (green-blind)

#C5B248

Tritanopia (blue-blind)

#5AC5AF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63cc39;
/* rgb */ color: rgb(99, 204, 57);
/* oklch */ color: oklch(75.4% 0.206 138.4);

Tailwind

colors: {
  custom: {
    50: '#99dc78',
    500: '#63cc39',
    950: '#000000',
  },
}

SCSS

$custom: #63cc39;
$custom-light: #99dc78;
$custom-dark: #000000;

JSON

{
  "hex": "#63cc39",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 57
  },
  "hsl": {
    "h": 102.857,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.75414,
    "c": 0.20576,
    "h": 138.4
  },
  "luminance": 0.46134
}

Semantic roles & 50–950 ramp

primary

#63CC39

secondary

#BE90D1

accent

#46E2B5

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #63CC39

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

Preview Lab → · Contrast checker → · Palette generator →