#63B73B#63B73B

#63B73B is a light, vivid green. Relative luminance 0.368; OKLCH L 70.1% C 0.179 H 137.3°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#63B73B
RGB	rgb(99, 183, 59)
HSL	hsl(101, 51%, 47%)
HSV	hsv(101, 68%, 72%)
CMYK	cmyk(45.9%, 0%, 67.8%, 28.2%)
CIE-LAB	lab(67.15, -47.44, 53.01)
CIE-LCH	lch(67.15, 71.13, 131.83°)
OKLab	oklab(70.09% -0.1313 0.1212)
OKLCH	oklch(70.09% 0.179 137.3)
XYZ	xyz(22.8678, 36.8339, 10.0415)
Luminance	0.3684 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B73B #8F3BB7

analogous

#A1B73B #63B73B #3BB751

triadic

#63B73B #3B63B7 #B73B63

tetradic

#63B73B #3BA1B7 #8F3BB7 #B7513B

square

#63B73B #3BA1B7 #8F3BB7 #B7513B

split-complementary

#63B73B #513BB7 #B73BA1

monochromatic

#315A1D #4A892C #63B73B #85CD63 #A9DC91

Accessibility & contrast

On white

2.51

#63B73B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#63B73B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B73B

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B73B	#FFFFFF	#000000	##000000
##63B73B	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA82A

Deuteranopia (green-blind)

#B2A146

Tritanopia (blue-blind)

#5EB19E

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63b73b;
/* rgb */ color: rgb(99, 183, 59);
/* oklch */ color: oklch(70.1% 0.179 137.3);

Tailwind

colors: {
  custom: {
    50: '#96cd77',
    500: '#63b73b',
    950: '#000000',
  },
}

SCSS

$custom: #63b73b;
$custom-light: #96cd77;
$custom-dark: #000000;

JSON

{
  "hex": "#63b73b",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 59
  },
  "hsl": {
    "h": 100.645,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.70094,
    "c": 0.17868,
    "h": 137.3
  },
  "luminance": 0.36835
}

Semantic roles & 50–950 ramp

primary

#63B73B

secondary

#B287C6

accent

#4DDBAD

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B73B

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

Preview Lab → · Contrast checker → · Palette generator →