#63EF8C#63EF8C

#63EF8C is a very light, vivid green. Relative luminance 0.663; OKLCH L 85.2% C 0.183 H 150.3°. Best body text is #000000 at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#63EF8C
RGB	rgb(99, 239, 140)
HSL	hsl(138, 81%, 66%)
HSV	hsv(138, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 41.4%, 6.3%)
CIE-LAB	lab(85.14, -58.93, 36.78)
CIE-LCH	lch(85.14, 69.47, 148.03°)
OKLab	oklab(85.17% -0.1594 0.091)
OKLCH	oklch(85.17% 0.184 150.3)
XYZ	xyz(40.7427, 66.2752, 35.4512)
Luminance	0.6628 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EF8C #EF63C6

analogous

#80EF63 #63EF8C #63EFD2

triadic

#63EF8C #8C63EF #EF8C63

tetradic

#63EF8C #6380EF #EF63C6 #EFD263

square

#63EF8C #6380EF #EF63C6 #EFD263

split-complementary

#63EF8C #D263EF #EF6380

monochromatic

#14C447 #2BE963 #63EF8C #9BF5B5 #D2FADE

Accessibility & contrast

On white

1.47

#63EF8C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.26

#63EF8C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF8C

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EF8C	#FFFFFF	#000000	##000000
##63EF8C	1.00	1.47	14.26	14.26
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.26	21.00	1.00	1.00
##000000	14.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DC85

Deuteranopia (green-blind)

#DED093

Tritanopia (blue-blind)

#3BEBD7

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #63ef8c;
/* rgb */ color: rgb(99, 239, 140);
/* oklch */ color: oklch(85.2% 0.183 150.3);

Tailwind

colors: {
  custom: {
    50: '#9bf5ae',
    500: '#63ef8c',
    950: '#000000',
  },
}

SCSS

$custom: #63ef8c;
$custom-light: #9bf5ae;
$custom-dark: #000000;

JSON

{
  "hex": "#63ef8c",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 140
  },
  "hsl": {
    "h": 137.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85172,
    "c": 0.1835,
    "h": 150.3
  },
  "luminance": 0.66279
}

Semantic roles & 50–950 ramp

primary

#63EF8C

secondary

#C13598

accent

#089FDE

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #63EF8C

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

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