#63EF8F#63EF8F

#63EF8F is a very light, vivid green. Relative luminance 0.664; OKLCH L 85.2% C 0.181 H 151.0°. Best body text is #000000 at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#63EF8F
RGB	rgb(99, 239, 143)
HSL	hsl(139, 81%, 66%)
HSV	hsv(139, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 40.2%, 6.3%)
CIE-LAB	lab(85.18, -58.44, 35.35)
CIE-LCH	lch(85.18, 68.30, 148.83°)
OKLab	oklab(85.23% -0.1581 0.0877)
OKLCH	oklch(85.23% 0.181 151)
XYZ	xyz(40.9669, 66.3649, 36.6321)
Luminance	0.6637 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EF8F #EF63C3

analogous

#7DEF63 #63EF8F #63EFD5

triadic

#63EF8F #8F63EF #EF8F63

tetradic

#63EF8F #637DEF #EF63C3 #EFD563

square

#63EF8F #637DEF #EF63C3 #EFD563

split-complementary

#63EF8F #D563EF #EF637D

monochromatic

#14C44B #2BE967 #63EF8F #9BF5B7 #D2FADF

Accessibility & contrast

On white

1.47

#63EF8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.27

#63EF8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF8F

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EF8F	#FFFFFF	#000000	##000000
##63EF8F	1.00	1.47	14.27	14.27
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.27	21.00	1.00	1.00
##000000	14.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DD88

Deuteranopia (green-blind)

#DDD095

Tritanopia (blue-blind)

#39EBD7

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #63ef8f;
/* rgb */ color: rgb(99, 239, 143);
/* oklch */ color: oklch(85.2% 0.181 151.0);

Tailwind

colors: {
  custom: {
    50: '#9bf5b0',
    500: '#63ef8f',
    950: '#000000',
  },
}

SCSS

$custom: #63ef8f;
$custom-light: #9bf5b0;
$custom-dark: #000000;

JSON

{
  "hex": "#63ef8f",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 143
  },
  "hsl": {
    "h": 138.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85225,
    "c": 0.18079,
    "h": 151
  },
  "luminance": 0.66369
}

Semantic roles & 50–950 ramp

primary

#63EF8F

secondary

#C13595

accent

#089ADE

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #63EF8F

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

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