#63EFA4#63EFA4

#63EFA4 is a very light, vivid green. Relative luminance 0.671; OKLCH L 85.6% C 0.162 H 156.8°. Best body text is #000000 at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#63EFA4
RGB	rgb(99, 239, 164)
HSL	hsl(148, 81%, 66%)
HSV	hsv(148, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 31.4%, 6.3%)
CIE-LAB	lab(85.54, -54.68, 25.20)
CIE-LCH	lch(85.54, 60.21, 155.26°)
OKLab	oklab(85.63% -0.1489 0.0637)
OKLCH	oklch(85.63% 0.162 156.8)
XYZ	xyz(42.7093, 67.0618, 45.8082)
Luminance	0.6707 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFA4 #EF63AE

analogous

#68EF63 #63EFA4 #63EFEA

triadic

#63EFA4 #A463EF #EFA463

tetradic

#63EFA4 #6368EF #EF63AE #EFEA63

square

#63EFA4 #6368EF #EF63AE #EFEA63

split-complementary

#63EFA4 #EA63EF #EF6368

monochromatic

#14C466 #2BE984 #63EFA4 #9BF5C4 #D2FAE5

Accessibility & contrast

On white

1.46

#63EFA4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.41

#63EFA4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFA4

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFA4	#FFFFFF	#000000	##000000
##63EFA4	1.00	1.46	14.41	14.41
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.41	21.00	1.00	1.00
##000000	14.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEDE9F

Deuteranopia (green-blind)

#DAD0A9

Tritanopia (blue-blind)

#2BEDDB

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #63efa4;
/* rgb */ color: rgb(99, 239, 164);
/* oklch */ color: oklch(85.6% 0.162 156.8);

Tailwind

colors: {
  custom: {
    50: '#9bf5bf',
    500: '#63efa4',
    950: '#000000',
  },
}

SCSS

$custom: #63efa4;
$custom-light: #9bf5bf;
$custom-dark: #000000;

JSON

{
  "hex": "#63efa4",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 164
  },
  "hsl": {
    "h": 147.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8563,
    "c": 0.16197,
    "h": 156.8
  },
  "luminance": 0.67066
}

Semantic roles & 50–950 ramp

primary

#63EFA4

secondary

#C13580

accent

#087ADE

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #63EFA4

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

Preview Lab → · Contrast checker → · Palette generator →