#63CB51#63CB51

#63CB51 is a light, vivid green. Relative luminance 0.460; OKLCH L 75.4% C 0.188 H 140.8°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#63CB51
RGB	rgb(99, 203, 81)
HSL	hsl(111, 54%, 56%)
HSV	hsv(111, 60%, 80%)
CMYK	cmyk(51.2%, 0%, 60.1%, 20.4%)
CIE-LAB	lab(73.52, -53.22, 50.64)
CIE-LCH	lch(73.52, 73.46, 136.42°)
OKLab	oklab(75.38% -0.1456 0.1186)
OKLCH	oklch(75.38% 0.188 140.8)
XYZ	xyz(27.9855, 45.9565, 15.1788)
Luminance	0.4596 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CB51 #B951CB

analogous

#A0CB51 #63CB51 #51CB7C

triadic

#63CB51 #5163CB #CB5163

tetradic

#63CB51 #51A0CB #B951CB #CB7C51

square

#63CB51 #51A0CB #B951CB #CB7C51

split-complementary

#63CB51 #7C51CB #CB51A0

monochromatic

#327C25 #45AC33 #63CB51 #8DD980 #B7E7AF

Accessibility & contrast

On white

2.06

#63CB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#63CB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CB51

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CB51	#FFFFFF	#000000	##000000
##63CB51	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BA44

Deuteranopia (green-blind)

#C2B15B

Tritanopia (blue-blind)

#57C5B1

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #63cb51;
/* rgb */ color: rgb(99, 203, 81);
/* oklch */ color: oklch(75.4% 0.188 140.8);

Tailwind

colors: {
  custom: {
    50: '#98dc86',
    500: '#63cb51',
    950: '#000000',
  },
}

SCSS

$custom: #63cb51;
$custom-light: #98dc86;
$custom-dark: #000000;

JSON

{
  "hex": "#63cb51",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 81
  },
  "hsl": {
    "h": 111.148,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75383,
    "c": 0.18776,
    "h": 140.8
  },
  "luminance": 0.45959
}

Semantic roles & 50–950 ramp

primary

#63CB51

secondary

#CEA3D5

accent

#4ADDC8

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #63CB51

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

Preview Lab → · Contrast checker → · Palette generator →