#63EF9E#63EF9E

#63EF9E is a very light, vivid green. Relative luminance 0.669; OKLCH L 85.5% C 0.167 H 155.0°. Best body text is #000000 at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#63EF9E
RGB	rgb(99, 239, 158)
HSL	hsl(145, 81%, 66%)
HSV	hsv(145, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 33.9%, 6.3%)
CIE-LAB	lab(85.43, -55.81, 28.12)
CIE-LCH	lch(85.43, 62.49, 153.26°)
OKLab	oklab(85.51% -0.1516 0.0707)
OKLCH	oklch(85.51% 0.167 155)
XYZ	xyz(42.1802, 66.8502, 43.0216)
Luminance	0.6685 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EF9E #EF63B4

analogous

#6EEF63 #63EF9E #63EFE4

triadic

#63EF9E #9E63EF #EF9E63

tetradic

#63EF9E #636EEF #EF63B4 #EFE463

square

#63EF9E #636EEF #EF63B4 #EFE463

split-complementary

#63EF9E #E463EF #EF636E

monochromatic

#14C45E #2BE97B #63EF9E #9BF5C1 #D2FAE3

Accessibility & contrast

On white

1.46

#63EF9E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.37

#63EF9E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF9E

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EF9E	#FFFFFF	#000000	##000000
##63EF9E	1.00	1.46	14.37	14.37
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.37	21.00	1.00	1.00
##000000	14.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEDE99

Deuteranopia (green-blind)

#DBD0A3

Tritanopia (blue-blind)

#30EDDA

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #63ef9e;
/* rgb */ color: rgb(99, 239, 158);
/* oklch */ color: oklch(85.5% 0.167 155.0);

Tailwind

colors: {
  custom: {
    50: '#9bf5bb',
    500: '#63ef9e',
    950: '#000000',
  },
}

SCSS

$custom: #63ef9e;
$custom-light: #9bf5bb;
$custom-dark: #000000;

JSON

{
  "hex": "#63ef9e",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 158
  },
  "hsl": {
    "h": 145.286,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85507,
    "c": 0.16727,
    "h": 155
  },
  "luminance": 0.66854
}

Semantic roles & 50–950 ramp

primary

#63EF9E

secondary

#C13586

accent

#0884DE

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #63EF9E

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

Preview Lab → · Contrast checker → · Palette generator →