#63EF9F#63EF9F

#63EF9F is a very light, vivid green. Relative luminance 0.669; OKLCH L 85.5% C 0.166 H 155.3°. Best body text is #000000 at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#63EF9F
RGB	rgb(99, 239, 159)
HSL	hsl(146, 81%, 66%)
HSV	hsv(146, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 33.5%, 6.3%)
CIE-LAB	lab(85.45, -55.62, 27.63)
CIE-LCH	lch(85.45, 62.11, 153.58°)
OKLab	oklab(85.53% -0.1511 0.0696)
OKLCH	oklch(85.53% 0.166 155.3)
XYZ	xyz(42.2666, 66.8848, 43.4768)
Luminance	0.6689 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EF9F #EF63B3

analogous

#6DEF63 #63EF9F #63EFE5

triadic

#63EF9F #9F63EF #EF9F63

tetradic

#63EF9F #636DEF #EF63B3 #EFE563

square

#63EF9F #636DEF #EF63B3 #EFE563

split-complementary

#63EF9F #E563EF #EF636D

monochromatic

#14C45F #2BE97D #63EF9F #9BF5C1 #D2FAE3

Accessibility & contrast

On white

1.46

#63EF9F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.38

#63EF9F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF9F

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EF9F	#FFFFFF	#000000	##000000
##63EF9F	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)

#EEDE9A

Deuteranopia (green-blind)

#DBD0A4

Tritanopia (blue-blind)

#2FEDDA

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #63ef9f;
/* rgb */ color: rgb(99, 239, 159);
/* oklch */ color: oklch(85.5% 0.166 155.3);

Tailwind

colors: {
  custom: {
    50: '#9bf5bc',
    500: '#63ef9f',
    950: '#000000',
  },
}

SCSS

$custom: #63ef9f;
$custom-light: #9bf5bc;
$custom-dark: #000000;

JSON

{
  "hex": "#63ef9f",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 159
  },
  "hsl": {
    "h": 145.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85527,
    "c": 0.16638,
    "h": 155.3
  },
  "luminance": 0.66889
}

Semantic roles & 50–950 ramp

primary

#63EF9F

secondary

#C13585

accent

#0882DE

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #63EF9F

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

Preview Lab → · Contrast checker → · Palette generator →