#63CB3F#63CB3F

#63CB3F is a light, highly saturated green. Relative luminance 0.457; OKLCH L 75.2% C 0.201 H 138.8°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#63CB3F
RGB	rgb(99, 203, 63)
HSL	hsl(105, 57%, 52%)
HSV	hsv(105, 69%, 80%)
CMYK	cmyk(51.2%, 0%, 69%, 20.4%)
CIE-LAB	lab(73.36, -54.90, 57.97)
CIE-LCH	lch(73.36, 79.84, 133.44°)
OKLab	oklab(75.21% -0.1512 0.1322)
OKLCH	oklch(75.21% 0.201 138.8)
XYZ	xyz(27.3977, 45.7213, 12.0830)
Luminance	0.4572 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CB3F #A73FCB

analogous

#A9CB3F #63CB3F #3FCB61

triadic

#63CB3F #3F63CB #CB3F63

tetradic

#63CB3F #3FA9CB #A73FCB #CB613F

square

#63CB3F #3FA9CB #A73FCB #CB613F

split-complementary

#63CB3F #613FCB #CB3FA9

monochromatic

#34711F #4AA12C #63CB3F #8AD86F #B1E59F

Accessibility & contrast

On white

2.07

#63CB3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#63CB3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CB3F

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CB3F	#FFFFFF	#000000	##000000
##63CB3F	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA2A

Deuteranopia (green-blind)

#C3B14C

Tritanopia (blue-blind)

#5AC4AF

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #63cb3f;
/* rgb */ color: rgb(99, 203, 63);
/* oklch */ color: oklch(75.2% 0.201 138.8);

Tailwind

colors: {
  custom: {
    50: '#99dc7b',
    500: '#63cb3f',
    950: '#000000',
  },
}

SCSS

$custom: #63cb3f;
$custom-light: #99dc7b;
$custom-dark: #000000;

JSON

{
  "hex": "#63cb3f",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 63
  },
  "hsl": {
    "h": 104.571,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.75208,
    "c": 0.20083,
    "h": 138.8
  },
  "luminance": 0.45723
}

Semantic roles & 50–950 ramp

primary

#63CB3F

secondary

#C294D1

accent

#47E1B9

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0F150A

muted

#7E837C

Preview Lab

Preview with #63CB3F

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

Preview Lab → · Contrast checker → · Palette generator →