#63CC3B#63CC3B

#63CC3B is a light, highly saturated green. Relative luminance 0.462; OKLCH L 75.4% C 0.205 H 138.6°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#63CC3B
RGB	rgb(99, 204, 59)
HSL	hsl(103, 59%, 52%)
HSV	hsv(103, 71%, 80%)
CMYK	cmyk(51.5%, 0%, 71.1%, 20%)
CIE-LAB	lab(73.64, -55.59, 59.76)
CIE-LCH	lch(73.64, 81.62, 132.93°)
OKLab	oklab(75.43% -0.1533 0.1354)
OKLCH	oklch(75.43% 0.205 138.6)
XYZ	xyz(27.5269, 46.1521, 11.5945)
Luminance	0.4615 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CC3B #A43BCC

analogous

#ACCC3B #63CC3B #3BCC5C

triadic

#63CC3B #3B63CC #CC3B63

tetradic

#63CC3B #3BACCC #A43BCC #CC5C3B

square

#63CC3B #3BACCC #A43BCC #CC5C3B

split-complementary

#63CC3B #5C3BCC #CC3BAC

monochromatic

#34701D #4AA02A #63CC3B #8AD96C #B0E59C

Accessibility & contrast

On white

2.05

#63CC3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#63CC3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CC3B

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CC3B	#FFFFFF	#000000	##000000
##63CC3B	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)

#D2BA23

Deuteranopia (green-blind)

#C5B249

Tritanopia (blue-blind)

#5AC5AF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63cc3b;
/* rgb */ color: rgb(99, 204, 59);
/* oklch */ color: oklch(75.4% 0.205 138.6);

Tailwind

colors: {
  custom: {
    50: '#99dc79',
    500: '#63cc3b',
    950: '#000000',
  },
}

SCSS

$custom: #63cc3b;
$custom-light: #99dc79;
$custom-dark: #000000;

JSON

{
  "hex": "#63cc3b",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 59
  },
  "hsl": {
    "h": 103.448,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.75429,
    "c": 0.20456,
    "h": 138.6
  },
  "luminance": 0.46154
}

Semantic roles & 50–950 ramp

primary

#63CC3B

secondary

#C092D1

accent

#46E2B7

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #63CC3B

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

Preview Lab → · Contrast checker → · Palette generator →