#63E43F#63E43F

#63E43F is a light, highly saturated green. Relative luminance 0.585; OKLCH L 81.5% C 0.230 H 139.8°. Best body text is #000000 at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#63E43F
RGB	rgb(99, 228, 63)
HSL	hsl(107, 75%, 57%)
HSV	hsv(107, 72%, 89%)
CMYK	cmyk(56.6%, 0%, 72.4%, 10.6%)
CIE-LAB	lab(81.01, -63.98, 65.81)
CIE-LCH	lch(81.01, 91.78, 134.19°)
OKLab	oklab(81.51% -0.1757 0.1486)
OKLCH	oklch(81.51% 0.23 139.8)
XYZ	xyz(33.7847, 58.4954, 14.2120)
Luminance	0.5850 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63E43F #C03FE4

analogous

#B6E43F #63E43F #3FE46E

triadic

#63E43F #3F63E4 #E43F63

tetradic

#63E43F #3FB6E4 #C03FE4 #E46E3F

square

#63E43F #3FB6E4 #C03FE4 #E46E3F

split-complementary

#63E43F #6E3FE4 #E43FB6

monochromatic

#319415 #42C91C #63E43F #8FEC75 #BAF3AA

Accessibility & contrast

On white

1.65

#63E43F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.70

#63E43F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63E43F

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63E43F	#FFFFFF	#000000	##000000
##63E43F	1.00	1.65	12.70	12.70
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.70	21.00	1.00	1.00
##000000	12.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD020

Deuteranopia (green-blind)

#DAC550

Tritanopia (blue-blind)

#54DDC4

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63e43f;
/* rgb */ color: rgb(99, 228, 63);
/* oklch */ color: oklch(81.5% 0.230 139.8);

Tailwind

colors: {
  custom: {
    50: '#9ced7e',
    500: '#63e43f',
    950: '#000000',
  },
}

SCSS

$custom: #63e43f;
$custom-light: #9ced7e;
$custom-dark: #000000;

JSON

{
  "hex": "#63e43f",
  "rgb": {
    "r": 99,
    "g": 228,
    "b": 63
  },
  "hsl": {
    "h": 106.909,
    "s": 75.342,
    "l": 57.059
  },
  "oklch": {
    "l": 0.81513,
    "c": 0.23012,
    "h": 139.8
  },
  "luminance": 0.58498
}

Semantic roles & 50–950 ramp

primary

#63E43F

secondary

#812F98

accent

#36F2C9

background

#FCFFFB

surface

#F6FEF2

border

#D0D6CC

text

#0F160B

muted

#80857E

Preview Lab

Preview with #63E43F

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

Preview Lab → · Contrast checker → · Palette generator →