#63DD9B#63DD9B

#63DD9B is a light, vivid green. Relative luminance 0.567; OKLCH L 81.1% C 0.146 H 157.1°. Best body text is #000000 at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#63DD9B
RGB	rgb(99, 221, 155)
HSL	hsl(148, 64%, 63%)
HSV	hsv(148, 55%, 87%)
CMYK	cmyk(55.2%, 0%, 29.9%, 13.3%)
CIE-LAB	lab(80.03, -49.10, 22.31)
CIE-LCH	lch(80.03, 53.94, 155.56°)
OKLab	oklab(81.07% -0.1341 0.0566)
OKLCH	oklch(81.07% 0.146 157.1)
XYZ	xyz(36.9154, 56.7287, 40.0084)
Luminance	0.5673 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DD9B #DD63A5

analogous

#68DD63 #63DD9B #63DDD8

triadic

#63DD9B #9B63DD #DD9B63

tetradic

#63DD9B #6368DD #DD63A5 #DDD863

square

#63DD9B #6368DD #DD63A5 #DDD863

split-complementary

#63DD9B #D863DD #DD6368

monochromatic

#23A25E #31D27B #63DD9B #95E8BB #C7F3DB

Accessibility & contrast

On white

1.70

#63DD9B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.35

#63DD9B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DD9B

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DD9B	#FFFFFF	#000000	##000000
##63DD9B	1.00	1.70	12.35	12.35
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.35	21.00	1.00	1.00
##000000	12.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCE97

Deuteranopia (green-blind)

#CAC29F

Tritanopia (blue-blind)

#3ADBCB

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #63dd9b;
/* rgb */ color: rgb(99, 221, 155);
/* oklch */ color: oklch(81.1% 0.146 157.1);

Tailwind

colors: {
  custom: {
    50: '#98e8b8',
    500: '#63dd9b',
    950: '#000000',
  },
}

SCSS

$custom: #63dd9b;
$custom-light: #98e8b8;
$custom-dark: #000000;

JSON

{
  "hex": "#63dd9b",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 155
  },
  "hsl": {
    "h": 147.541,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.81068,
    "c": 0.14551,
    "h": 157.1
  },
  "luminance": 0.56732
}

Semantic roles & 50–950 ramp

primary

#63DD9B

secondary

#A53F76

accent

#197ACC

background

#FCFEFD

surface

#F5FDF8

border

#CFD5D1

text

#0F1611

muted

#808481

Preview Lab

Preview with #63DD9B

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

Preview Lab → · Contrast checker → · Palette generator →