#63EFA0#63EFA0

#63EFA0 is a very light, vivid green. Relative luminance 0.669; OKLCH L 85.5% C 0.166 H 155.6°. Best body text is #000000 at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#63EFA0
RGB	rgb(99, 239, 160)
HSL	hsl(146, 81%, 66%)
HSV	hsv(146, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 33.1%, 6.3%)
CIE-LAB	lab(85.46, -55.44, 27.15)
CIE-LCH	lch(85.46, 61.73, 153.91°)
OKLab	oklab(85.55% -0.1507 0.0684)
OKLCH	oklch(85.55% 0.166 155.6)
XYZ	xyz(42.3537, 66.9196, 43.9357)
Luminance	0.6692 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFA0 #EF63B2

analogous

#6CEF63 #63EFA0 #63EFE6

triadic

#63EFA0 #A063EF #EFA063

tetradic

#63EFA0 #636CEF #EF63B2 #EFE663

square

#63EFA0 #636CEF #EF63B2 #EFE663

split-complementary

#63EFA0 #E663EF #EF636C

monochromatic

#14C461 #2BE97E #63EFA0 #9BF5C2 #D2FAE4

Accessibility & contrast

On white

1.46

#63EFA0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.38

#63EFA0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFA0

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFA0	#FFFFFF	#000000	##000000
##63EFA0	1.00	1.46	14.38	14.38
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.38	21.00	1.00	1.00
##000000	14.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEDE9B

Deuteranopia (green-blind)

#DBD0A5

Tritanopia (blue-blind)

#2EEDDA

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #63efa0;
/* rgb */ color: rgb(99, 239, 160);
/* oklch */ color: oklch(85.5% 0.166 155.6);

Tailwind

colors: {
  custom: {
    50: '#9bf5bc',
    500: '#63efa0',
    950: '#000000',
  },
}

SCSS

$custom: #63efa0;
$custom-light: #9bf5bc;
$custom-dark: #000000;

JSON

{
  "hex": "#63efa0",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 160
  },
  "hsl": {
    "h": 146.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85547,
    "c": 0.1655,
    "h": 155.6
  },
  "luminance": 0.66924
}

Semantic roles & 50–950 ramp

primary

#63EFA0

secondary

#C13584

accent

#0881DE

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #63EFA0

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

Preview Lab → · Contrast checker → · Palette generator →