#66DA9D#66DA9D

#66DA9D is a light, vivid green. Relative luminance 0.554; OKLCH L 80.5% C 0.138 H 158.1°. Best body text is #000000 at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#66DA9D
RGB	rgb(102, 218, 157)
HSL	hsl(148, 61%, 63%)
HSV	hsv(148, 53%, 85%)
CMYK	cmyk(53.2%, 0%, 28%, 14.5%)
CIE-LAB	lab(79.27, -46.77, 20.24)
CIE-LCH	lch(79.27, 50.97, 156.60°)
OKLab	oklab(80.49% -0.1281 0.0515)
OKLCH	oklch(80.49% 0.138 158.1)
XYZ	xyz(36.6337, 55.3987, 40.6543)
Luminance	0.5540 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA9D #DA66A3

analogous

#69DA66 #66DA9D #66DAD7

triadic

#66DA9D #9D66DA #DA9D66

tetradic

#66DA9D #6669DA #DA66A3 #DAD766

square

#66DA9D #6669DA #DA66A3 #DAD766

split-complementary

#66DA9D #D766DA #DA6669

monochromatic

#269F60 #35CE7D #66DA9D #97E6BD #C9F2DC

Accessibility & contrast

On white

1.74

#66DA9D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.08

#66DA9D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA9D

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA9D	#FFFFFF	#000000	##000000
##66DA9D	1.00	1.74	12.08	12.08
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.08	21.00	1.00	1.00
##000000	12.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8CB99

Deuteranopia (green-blind)

#C8C0A1

Tritanopia (blue-blind)

#41D9CA

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66da9d;
/* rgb */ color: rgb(102, 218, 157);
/* oklch */ color: oklch(80.5% 0.138 158.1);

Tailwind

colors: {
  custom: {
    50: '#9ae6ba',
    500: '#66da9d',
    950: '#000000',
  },
}

SCSS

$custom: #66da9d;
$custom-light: #9ae6ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66da9d",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 157
  },
  "hsl": {
    "h": 148.448,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.8049,
    "c": 0.13803,
    "h": 158.1
  },
  "luminance": 0.55402
}

Semantic roles & 50–950 ramp

primary

#66DA9D

secondary

#A34175

accent

#1D77C9

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0F1611

muted

#808481

Preview Lab

Preview with #66DA9D

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

Preview Lab → · Contrast checker → · Palette generator →