#63EF9A#63EF9A

#63EF9A is a very light, vivid green. Relative luminance 0.667; OKLCH L 85.4% C 0.171 H 153.8°. Best body text is #000000 at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#63EF9A
RGB	rgb(99, 239, 154)
HSL	hsl(144, 81%, 66%)
HSV	hsv(144, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 35.6%, 6.3%)
CIE-LAB	lab(85.36, -56.54, 30.06)
CIE-LCH	lch(85.36, 64.03, 152.00°)
OKLab	oklab(85.43% -0.1533 0.0754)
OKLCH	oklch(85.43% 0.171 153.8)
XYZ	xyz(41.8414, 66.7147, 41.2378)
Luminance	0.6672 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EF9A #EF63B8

analogous

#72EF63 #63EF9A #63EFE0

triadic

#63EF9A #9A63EF #EF9A63

tetradic

#63EF9A #6372EF #EF63B8 #EFE063

square

#63EF9A #6372EF #EF63B8 #EFE063

split-complementary

#63EF9A #E063EF #EF6372

monochromatic

#14C459 #2BE976 #63EF9A #9BF5BE #D2FAE2

Accessibility & contrast

On white

1.46

#63EF9A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.34

#63EF9A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF9A

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EF9A	#FFFFFF	#000000	##000000
##63EF9A	1.00	1.46	14.34	14.34
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.34	21.00	1.00	1.00
##000000	14.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFDD94

Deuteranopia (green-blind)

#DCD09F

Tritanopia (blue-blind)

#33ECD9

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #63ef9a;
/* rgb */ color: rgb(99, 239, 154);
/* oklch */ color: oklch(85.4% 0.171 153.8);

Tailwind

colors: {
  custom: {
    50: '#9bf5b8',
    500: '#63ef9a',
    950: '#000000',
  },
}

SCSS

$custom: #63ef9a;
$custom-light: #9bf5b8;
$custom-dark: #000000;

JSON

{
  "hex": "#63ef9a",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 154
  },
  "hsl": {
    "h": 143.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85428,
    "c": 0.17084,
    "h": 153.8
  },
  "luminance": 0.66719
}

Semantic roles & 50–950 ramp

primary

#63EF9A

secondary

#C1358A

accent

#088ADE

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #63EF9A

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

Preview Lab → · Contrast checker → · Palette generator →