#63C73B#63C73B

#63C73B is a light, vivid green. Relative luminance 0.438; OKLCH L 74.2% C 0.199 H 138.3°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#63C73B
RGB	rgb(99, 199, 59)
HSL	hsl(103, 56%, 51%)
HSV	hsv(103, 70%, 78%)
CMYK	cmyk(50.3%, 0%, 70.4%, 22%)
CIE-LAB	lab(72.10, -53.70, 58.18)
CIE-LCH	lch(72.10, 79.18, 132.71°)
OKLab	oklab(74.16% -0.1482 0.1321)
OKLCH	oklch(74.16% 0.199 138.3)
XYZ	xyz(26.3575, 43.8133, 11.2047)
Luminance	0.4381 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C73B #9F3BC7

analogous

#A9C73B #63C73B #3BC759

triadic

#63C73B #3B63C7 #C73B63

tetradic

#63C73B #3BA9C7 #9F3BC7 #C7593B

square

#63C73B #3BA9C7 #9F3BC7 #C7593B

split-complementary

#63C73B #593BC7 #C73BA9

monochromatic

#34691E #4B992C #63C73B #89D56B #AFE29A

Accessibility & contrast

On white

2.15

#63C73B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#63C73B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C73B

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C73B	#FFFFFF	#000000	##000000
##63C73B	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB624

Deuteranopia (green-blind)

#C0AE48

Tritanopia (blue-blind)

#5BC0AB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #63c73b;
/* rgb */ color: rgb(99, 199, 59);
/* oklch */ color: oklch(74.2% 0.199 138.3);

Tailwind

colors: {
  custom: {
    50: '#98d979',
    500: '#63c73b',
    950: '#000000',
  },
}

SCSS

$custom: #63c73b;
$custom-light: #98d979;
$custom-dark: #000000;

JSON

{
  "hex": "#63c73b",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 59
  },
  "hsl": {
    "h": 102.857,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.74162,
    "c": 0.19854,
    "h": 138.3
  },
  "luminance": 0.43815
}

Semantic roles & 50–950 ramp

primary

#63C73B

secondary

#BC90CE

accent

#49DFB4

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0F150A

muted

#7E837C

Preview Lab

Preview with #63C73B

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

Preview Lab → · Contrast checker → · Palette generator →