#63BC3B#63BC3B

#63BC3B is a light, vivid green. Relative luminance 0.389; OKLCH L 71.4% C 0.185 H 137.6°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#63BC3B
RGB	rgb(99, 188, 59)
HSL	hsl(101, 52%, 48%)
HSV	hsv(101, 69%, 74%)
CMYK	cmyk(47.3%, 0%, 68.6%, 26.3%)
CIE-LAB	lab(68.70, -49.43, 54.64)
CIE-LCH	lch(68.70, 73.68, 132.13°)
OKLab	oklab(71.37% -0.1367 0.1247)
OKLCH	oklch(71.37% 0.185 137.6)
XYZ	xyz(23.9175, 38.9333, 10.3914)
Luminance	0.3893 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BC3B #943BBC

analogous

#A3BC3B #63BC3B #3BBC53

triadic

#63BC3B #3B63BC #BC3B63

tetradic

#63BC3B #3BA3BC #943BBC #BC533B

square

#63BC3B #3BA3BC #943BBC #BC533B

split-complementary

#63BC3B #533BBC #BC3BA3

monochromatic

#325F1E #4A8D2C #63BC3B #86CF65 #ABDD94

Accessibility & contrast

On white

2.39

#63BC3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#63BC3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC3B

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BC3B	#FFFFFF	#000000	##000000
##63BC3B	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC28

Deuteranopia (green-blind)

#B6A547

Tritanopia (blue-blind)

#5DB5A2

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63bc3b;
/* rgb */ color: rgb(99, 188, 59);
/* oklch */ color: oklch(71.4% 0.185 137.6);

Tailwind

colors: {
  custom: {
    50: '#97d178',
    500: '#63bc3b',
    950: '#000000',
  },
}

SCSS

$custom: #63bc3b;
$custom-light: #97d178;
$custom-dark: #000000;

JSON

{
  "hex": "#63bc3b",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 59
  },
  "hsl": {
    "h": 101.395,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.71366,
    "c": 0.185,
    "h": 137.6
  },
  "luminance": 0.38935
}

Semantic roles & 50–950 ramp

primary

#63BC3B

secondary

#B58AC9

accent

#4CDCAF

background

#F9FCF7

surface

#F2F9EE

border

#CCD2C9

text

#0E1409

muted

#7E827B

Preview Lab

Preview with #63BC3B

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

Preview Lab → · Contrast checker → · Palette generator →