#63EF8A#63EF8A

#63EF8A is a very light, vivid green. Relative luminance 0.662; OKLCH L 85.1% C 0.185 H 149.8°. Best body text is #000000 at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#63EF8A
RGB	rgb(99, 239, 138)
HSL	hsl(137, 81%, 66%)
HSV	hsv(137, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 42.3%, 6.3%)
CIE-LAB	lab(85.11, -59.26, 37.74)
CIE-LCH	lch(85.11, 70.25, 147.51°)
OKLab	oklab(85.14% -0.1602 0.0931)
OKLCH	oklch(85.14% 0.185 149.8)
XYZ	xyz(40.5966, 66.2168, 34.6816)
Luminance	0.6622 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EF8A #EF63C8

analogous

#82EF63 #63EF8A #63EFD0

triadic

#63EF8A #8A63EF #EF8A63

tetradic

#63EF8A #6382EF #EF63C8 #EFD063

square

#63EF8A #6382EF #EF63C8 #EFD063

split-complementary

#63EF8A #D063EF #EF6382

monochromatic

#14C445 #2BE960 #63EF8A #9BF5B4 #D2FADD

Accessibility & contrast

On white

1.47

#63EF8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.24

#63EF8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF8A

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EF8A	#FFFFFF	#000000	##000000
##63EF8A	1.00	1.47	14.24	14.24
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.24	21.00	1.00	1.00
##000000	14.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DC83

Deuteranopia (green-blind)

#DED091

Tritanopia (blue-blind)

#3CEBD6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #63ef8a;
/* rgb */ color: rgb(99, 239, 138);
/* oklch */ color: oklch(85.1% 0.185 149.8);

Tailwind

colors: {
  custom: {
    50: '#9bf5ad',
    500: '#63ef8a',
    950: '#000000',
  },
}

SCSS

$custom: #63ef8a;
$custom-light: #9bf5ad;
$custom-dark: #000000;

JSON

{
  "hex": "#63ef8a",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 138
  },
  "hsl": {
    "h": 136.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85138,
    "c": 0.18531,
    "h": 149.8
  },
  "luminance": 0.66221
}

Semantic roles & 50–950 ramp

primary

#63EF8A

secondary

#C1359A

accent

#08A2DE

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #63EF8A

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

Preview Lab → · Contrast checker → · Palette generator →