#63C539#63C539

#63C539 is a light, vivid green. Relative luminance 0.429; OKLCH L 73.6% C 0.197 H 138.0°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#63C539
RGB	rgb(99, 197, 57)
HSL	hsl(102, 55%, 50%)
HSV	hsv(102, 71%, 77%)
CMYK	cmyk(49.7%, 0%, 71.1%, 22.7%)
CIE-LAB	lab(71.47, -53.09, 58.28)
CIE-LCH	lch(71.47, 78.83, 132.33°)
OKLab	oklab(73.64% -0.1467 0.132)
OKLCH	oklch(73.64% 0.197 138)
XYZ	xyz(25.8495, 42.8787, 10.7844)
Luminance	0.4288 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C539 #9B39C5

analogous

#A9C539 #63C539 #39C555

triadic

#63C539 #3963C5 #C53963

tetradic

#63C539 #39A9C5 #9B39C5 #C55539

square

#63C539 #39A9C5 #9B39C5 #C55539

split-complementary

#63C539 #5539C5 #C539A9

monochromatic

#33661E #4B962B #63C539 #88D368 #ADE197

Accessibility & contrast

On white

2.19

#63C539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#63C539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C539

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C539	#FFFFFF	#000000	##000000
##63C539	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB422

Deuteranopia (green-blind)

#BEAC47

Tritanopia (blue-blind)

#5CBEA9

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63c539;
/* rgb */ color: rgb(99, 197, 57);
/* oklch */ color: oklch(73.6% 0.197 138.0);

Tailwind

colors: {
  custom: {
    50: '#98d778',
    500: '#63c539',
    950: '#000000',
  },
}

SCSS

$custom: #63c539;
$custom-light: #98d778;
$custom-dark: #000000;

JSON

{
  "hex": "#63c539",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 57
  },
  "hsl": {
    "h": 102,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.73638,
    "c": 0.19737,
    "h": 138
  },
  "luminance": 0.42881
}

Semantic roles & 50–950 ramp

primary

#63C539

secondary

#BA8DCD

accent

#49DEB2

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #63C539

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

Preview Lab → · Contrast checker → · Palette generator →