#63BB51#63BB51

#63BB51 is a light, vivid green. Relative luminance 0.388; OKLCH L 71.3% C 0.167 H 140.3°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#63BB51
RGB	rgb(99, 187, 81)
HSL	hsl(110, 44%, 53%)
HSV	hsv(110, 57%, 73%)
CMYK	cmyk(47.1%, 0%, 56.7%, 26.7%)
CIE-LAB	lab(68.60, -46.86, 44.95)
CIE-LCH	lch(68.60, 64.93, 136.19°)
OKLab	oklab(71.34% -0.1283 0.1064)
OKLCH	oklch(71.34% 0.167 140.3)
XYZ	xyz(24.4001, 38.7857, 13.9836)
Luminance	0.3879 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BB51 #A951BB

analogous

#98BB51 #63BB51 #51BB74

triadic

#63BB51 #5163BB #BB5163

tetradic

#63BB51 #5198BB #A951BB #BB7451

square

#63BB51 #5198BB #A951BB #BB7451

split-complementary

#63BB51 #7451BB #BB5198

monochromatic

#346929 #49953A #63BB51 #8ACC7D #B2DDA9

Accessibility & contrast

On white

2.40

#63BB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#63BB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BB51

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BB51	#FFFFFF	#000000	##000000
##63BB51	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AC47

Deuteranopia (green-blind)

#B4A459

Tritanopia (blue-blind)

#5BB5A4

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63bb51;
/* rgb */ color: rgb(99, 187, 81);
/* oklch */ color: oklch(71.3% 0.167 140.3);

Tailwind

colors: {
  custom: {
    50: '#96d085',
    500: '#63bb51',
    950: '#000000',
  },
}

SCSS

$custom: #63bb51;
$custom-light: #96d085;
$custom-dark: #000000;

JSON

{
  "hex": "#63bb51",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 81
  },
  "hsl": {
    "h": 109.811,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.71344,
    "c": 0.16663,
    "h": 140.3
  },
  "luminance": 0.38787
}

Semantic roles & 50–950 ramp

primary

#63BB51

secondary

#C39DCB

accent

#54D4BE

background

#F9FCF8

surface

#F2F9EF

border

#CCD2CA

text

#0E140B

muted

#7E827C

Preview Lab

Preview with #63BB51

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

Preview Lab → · Contrast checker → · Palette generator →