#63EF7B#63EF7B

#63EF7B is a very light, vivid green. Relative luminance 0.658; OKLCH L 84.9% C 0.199 H 146.9°. Best body text is #000000 at 14.16:1 contrast (WCAG AA passes).

Color values

HEX	#63EF7B
RGB	rgb(99, 239, 123)
HSL	hsl(130, 81%, 66%)
HSV	hsv(130, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 48.5%, 6.3%)
CIE-LAB	lab(84.90, -61.52, 44.77)
CIE-LCH	lch(84.90, 76.09, 143.96°)
OKLab	oklab(84.9% -0.1664 0.1086)
OKLCH	oklch(84.9% 0.199 146.9)
XYZ	xyz(39.5846, 65.8120, 29.3520)
Luminance	0.6582 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EF7B #EF63D7

analogous

#91EF63 #63EF7B #63EFC1

triadic

#63EF7B #7B63EF #EF7B63

tetradic

#63EF7B #6391EF #EF63D7 #EFC163

square

#63EF7B #6391EF #EF63D7 #EFC163

split-complementary

#63EF7B #C163EF #EF6391

monochromatic

#14C432 #2BE94C #63EF7B #9BF5AA #D2FAD9

Accessibility & contrast

On white

1.48

#63EF7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.16

#63EF7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF7B

14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EF7B	#FFFFFF	#000000	##000000
##63EF7B	1.00	1.48	14.16	14.16
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.16	21.00	1.00	1.00
##000000	14.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2DC71

Deuteranopia (green-blind)

#E0CF83

Tritanopia (blue-blind)

#42EAD4

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #63ef7b;
/* rgb */ color: rgb(99, 239, 123);
/* oklch */ color: oklch(84.9% 0.199 146.9);

Tailwind

colors: {
  custom: {
    50: '#9cf5a3',
    500: '#63ef7b',
    950: '#000000',
  },
}

SCSS

$custom: #63ef7b;
$custom-light: #9cf5a3;
$custom-dark: #000000;

JSON

{
  "hex": "#63ef7b",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 123
  },
  "hsl": {
    "h": 130.286,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84901,
    "c": 0.19871,
    "h": 146.9
  },
  "luminance": 0.65816
}

Semantic roles & 50–950 ramp

primary

#63EF7B

secondary

#C135A9

accent

#08B9DE

background

#FCFFFC

surface

#F6FFF6

border

#D0D7D0

text

#0F170F

muted

#808580

Preview Lab

Preview with #63EF7B

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

Preview Lab → · Contrast checker → · Palette generator →