#63EC8F#63EC8F

#63EC8F is a very light, vivid green. Relative luminance 0.646; OKLCH L 84.5% C 0.177 H 151.3°. Best body text is #000000 at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#63EC8F
RGB	rgb(99, 236, 143)
HSL	hsl(139, 78%, 66%)
HSV	hsv(139, 58%, 93%)
CMYK	cmyk(58.1%, 0%, 39.4%, 7.5%)
CIE-LAB	lab(84.29, -57.29, 34.18)
CIE-LCH	lch(84.29, 66.71, 149.18°)
OKLab	oklab(84.49% -0.155 0.0849)
OKLCH	oklch(84.49% 0.177 151.3)
XYZ	xyz(40.0960, 64.6229, 36.3417)
Luminance	0.6463 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EC8F #EC63C0

analogous

#7BEC63 #63EC8F #63ECD3

triadic

#63EC8F #8F63EC #EC8F63

tetradic

#63EC8F #637BEC #EC63C0 #ECD363

square

#63EC8F #637BEC #EC63C0 #ECD363

split-complementary

#63EC8F #D363EC #EC637B

monochromatic

#17BE4D #2CE568 #63EC8F #9AF3B6 #D0F9DD

Accessibility & contrast

On white

1.51

#63EC8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.93

#63EC8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EC8F

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EC8F	#FFFFFF	#000000	##000000
##63EC8F	1.00	1.51	13.93	13.93
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.93	21.00	1.00	1.00
##000000	13.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDDA88

Deuteranopia (green-blind)

#DBCD95

Tritanopia (blue-blind)

#3BE9D5

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #63ec8f;
/* rgb */ color: rgb(99, 236, 143);
/* oklch */ color: oklch(84.5% 0.177 151.3);

Tailwind

colors: {
  custom: {
    50: '#9bf3b0',
    500: '#63ec8f',
    950: '#000000',
  },
}

SCSS

$custom: #63ec8f;
$custom-light: #9bf3b0;
$custom-dark: #000000;

JSON

{
  "hex": "#63ec8f",
  "rgb": {
    "r": 99,
    "g": 236,
    "b": 143
  },
  "hsl": {
    "h": 139.27,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.84491,
    "c": 0.17679,
    "h": 151.3
  },
  "luminance": 0.64627
}

Semantic roles & 50–950 ramp

primary

#63EC8F

secondary

#BC3791

accent

#0B98DB

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #63EC8F

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

Preview Lab → · Contrast checker → · Palette generator →