#63EFA6#63EFA6

#63EFA6 is a very light, vivid green. Relative luminance 0.671; OKLCH L 85.7% C 0.160 H 157.5°. Best body text is #000000 at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#63EFA6
RGB	rgb(99, 239, 166)
HSL	hsl(149, 81%, 66%)
HSV	hsv(149, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 30.5%, 6.3%)
CIE-LAB	lab(85.57, -54.30, 24.22)
CIE-LCH	lch(85.57, 59.46, 155.96°)
OKLab	oklab(85.67% -0.148 0.0614)
OKLCH	oklch(85.67% 0.16 157.5)
XYZ	xyz(42.8913, 67.1347, 46.7669)
Luminance	0.6714 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFA6 #EF63AC

analogous

#66EF63 #63EFA6 #63EFEC

triadic

#63EFA6 #A663EF #EFA663

tetradic

#63EFA6 #6366EF #EF63AC #EFEC63

square

#63EFA6 #6366EF #EF63AC #EFEC63

split-complementary

#63EFA6 #EC63EF #EF6366

monochromatic

#14C468 #2BE986 #63EFA6 #9BF5C6 #D2FAE5

Accessibility & contrast

On white

1.46

#63EFA6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.43

#63EFA6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFA6

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFA6	#FFFFFF	#000000	##000000
##63EFA6	1.00	1.46	14.43	14.43
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.43	21.00	1.00	1.00
##000000	14.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDDEA2

Deuteranopia (green-blind)

#DAD0AB

Tritanopia (blue-blind)

#29EDDC

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #63efa6;
/* rgb */ color: rgb(99, 239, 166);
/* oklch */ color: oklch(85.7% 0.160 157.5);

Tailwind

colors: {
  custom: {
    50: '#9bf5c0',
    500: '#63efa6',
    950: '#000000',
  },
}

SCSS

$custom: #63efa6;
$custom-light: #9bf5c0;
$custom-dark: #000000;

JSON

{
  "hex": "#63efa6",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 166
  },
  "hsl": {
    "h": 148.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85672,
    "c": 0.16024,
    "h": 157.5
  },
  "luminance": 0.67139
}

Semantic roles & 50–950 ramp

primary

#63EFA6

secondary

#C1357E

accent

#0877DE

background

#FCFFFD

surface

#F5FEF9

border

#CFD6D2

text

#0F1712

muted

#808582

Preview Lab

Preview with #63EFA6

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

Preview Lab → · Contrast checker → · Palette generator →