#63B251#63B251

#63B251 is a light, vivid green. Relative luminance 0.351; OKLCH L 69.1% C 0.154 H 140.0°. Best body text is #000000 at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#63B251
RGB	rgb(99, 178, 81)
HSL	hsl(109, 39%, 51%)
HSV	hsv(109, 54%, 70%)
CMYK	cmyk(44.4%, 0%, 54.5%, 30.2%)
CIE-LAB	lab(65.82, -43.12, 41.66)
CIE-LCH	lch(65.82, 59.96, 135.99°)
OKLab	oklab(69.07% -0.1181 0.0992)
OKLCH	oklch(69.07% 0.154 140)
XYZ	xyz(22.5503, 35.0861, 13.3670)
Luminance	0.3509 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B251 #A051B2

analogous

#93B251 #63B251 #51B26F

triadic

#63B251 #5163B2 #B25163

tetradic

#63B251 #5193B2 #A051B2 #B26F51

square

#63B251 #5193B2 #A051B2 #B26F51

split-complementary

#63B251 #6F51B2 #B25193

monochromatic

#345F2A #4B893D #63B251 #89C57B #AFD8A6

Accessibility & contrast

On white

2.62

#63B251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.02

#63B251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B251

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B251	#FFFFFF	#000000	##000000
##63B251	1.00	2.62	8.02	8.02
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.02	21.00	1.00	1.00
##000000	8.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A448

Deuteranopia (green-blind)

#AC9D58

Tritanopia (blue-blind)

#5CAD9C

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63b251;
/* rgb */ color: rgb(99, 178, 81);
/* oklch */ color: oklch(69.1% 0.154 140.0);

Tailwind

colors: {
  custom: {
    50: '#95c984',
    500: '#63b251',
    950: '#000000',
  },
}

SCSS

$custom: #63b251;
$custom-light: #95c984;
$custom-dark: #000000;

JSON

{
  "hex": "#63b251",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 81
  },
  "hsl": {
    "h": 108.866,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.69067,
    "c": 0.15421,
    "h": 140
  },
  "luminance": 0.35088
}

Semantic roles & 50–950 ramp

primary

#63B251

secondary

#BD9AC5

accent

#59CFB9

background

#F9FCF8

surface

#F2F8EF

border

#CCD1CA

text

#0E130B

muted

#7E827C

Preview Lab

Preview with #63B251

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

Preview Lab → · Contrast checker → · Palette generator →