#63BB4B#63BB4B

#63BB4B is a light, vivid green. Relative luminance 0.387; OKLCH L 71.3% C 0.172 H 139.4°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#63BB4B
RGB	rgb(99, 187, 75)
HSL	hsl(107, 45%, 51%)
HSV	hsv(107, 60%, 73%)
CMYK	cmyk(47.1%, 0%, 59.9%, 26.7%)
CIE-LAB	lab(68.53, -47.53, 47.64)
CIE-LCH	lch(68.53, 67.30, 134.93°)
OKLab	oklab(71.27% -0.1304 0.1116)
OKLCH	oklch(71.27% 0.172 139.4)
XYZ	xyz(24.1850, 38.6997, 12.8506)
Luminance	0.3870 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BB4B #A34BBB

analogous

#9BBB4B #63BB4B #4BBB6B

triadic

#63BB4B #4B63BB #BB4B63

tetradic

#63BB4B #4B9BBB #A34BBB #BB6B4B

square

#63BB4B #4B9BBB #A34BBB #BB6B4B

split-complementary

#63BB4B #6B4BBB #BB4B9B

monochromatic

#346526 #4A9237 #63BB4B #89CC77 #B0DDA4

Accessibility & contrast

On white

2.40

#63BB4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#63BB4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BB4B

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BB4B	#FFFFFF	#000000	##000000
##63BB4B	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AC3F

Deuteranopia (green-blind)

#B4A454

Tritanopia (blue-blind)

#5CB5A3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63bb4b;
/* rgb */ color: rgb(99, 187, 75);
/* oklch */ color: oklch(71.3% 0.172 139.4);

Tailwind

colors: {
  custom: {
    50: '#96d081',
    500: '#63bb4b',
    950: '#000000',
  },
}

SCSS

$custom: #63bb4b;
$custom-light: #96d081;
$custom-dark: #000000;

JSON

{
  "hex": "#63bb4b",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 75
  },
  "hsl": {
    "h": 107.143,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.71272,
    "c": 0.17169,
    "h": 139.4
  },
  "luminance": 0.38701
}

Semantic roles & 50–950 ramp

primary

#63BB4B

secondary

#BF98CA

accent

#53D5B9

background

#F9FCF8

surface

#F2F9EF

border

#CCD2CA

text

#0E140B

muted

#7E827C

Preview Lab

Preview with #63BB4B

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

Preview Lab → · Contrast checker → · Palette generator →