#63F38B#63F38B

#63F38B is a very light, vivid green. Relative luminance 0.686; OKLCH L 86.1% C 0.190 H 149.7°. Best body text is #000000 at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#63F38B
RGB	rgb(99, 243, 139)
HSL	hsl(137, 86%, 67%)
HSV	hsv(137, 59%, 95%)
CMYK	cmyk(59.3%, 0%, 42.8%, 4.7%)
CIE-LAB	lab(86.31, -60.61, 38.80)
CIE-LCH	lch(86.31, 71.96, 147.37°)
OKLab	oklab(86.13% -0.1638 0.0956)
OKLCH	oklch(86.13% 0.19 149.7)
XYZ	xyz(41.8533, 68.6139, 35.4593)
Luminance	0.6862 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63F38B #F363CB

analogous

#83F363 #63F38B #63F3D3

triadic

#63F38B #8B63F3 #F38B63

tetradic

#63F38B #6383F3 #F363CB #F3D363

square

#63F38B #6383F3 #F363CB #F3D363

split-complementary

#63F38B #D363F3 #F36383

monochromatic

#10CC44 #2AEF61 #63F38B #9CF7B5 #D5FCE0

Accessibility & contrast

On white

1.43

#63F38B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.72

#63F38B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63F38B

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63F38B	#FFFFFF	#000000	##000000
##63F38B	1.00	1.43	14.72	14.72
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.72	21.00	1.00	1.00
##000000	14.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5E083

Deuteranopia (green-blind)

#E2D392

Tritanopia (blue-blind)

#3AEFDA

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #63f38b;
/* rgb */ color: rgb(99, 243, 139);
/* oklch */ color: oklch(86.1% 0.190 149.7);

Tailwind

colors: {
  custom: {
    50: '#9cf8ae',
    500: '#63f38b',
    950: '#000000',
  },
}

SCSS

$custom: #63f38b;
$custom-light: #9cf8ae;
$custom-dark: #000000;

JSON

{
  "hex": "#63f38b",
  "rgb": {
    "r": 99,
    "g": 243,
    "b": 139
  },
  "hsl": {
    "h": 136.667,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.86134,
    "c": 0.18968,
    "h": 149.7
  },
  "luminance": 0.68618
}

Semantic roles & 50–950 ramp

primary

#63F38B

secondary

#C8329E

accent

#03A4E2

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #63F38B

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

Preview Lab → · Contrast checker → · Palette generator →