#66CD8A#66CD8A

#66CD8A is a light, vivid green. Relative luminance 0.483; OKLCH L 76.9% C 0.137 H 153.3°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#66CD8A
RGB	rgb(102, 205, 138)
HSL	hsl(141, 51%, 60%)
HSV	hsv(141, 50%, 80%)
CMYK	cmyk(50.2%, 0%, 32.7%, 19.6%)
CIE-LAB	lab(75.03, -44.90, 24.41)
CIE-LCH	lch(75.03, 51.10, 151.47°)
OKLab	oklab(76.91% -0.1223 0.0615)
OKLCH	oklch(76.91% 0.137 153.3)
XYZ	xyz(31.8960, 48.3198, 31.6857)
Luminance	0.4832 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CD8A #CD66A9

analogous

#75CD66 #66CD8A #66CDBE

triadic

#66CD8A #8A66CD #CD8A66

tetradic

#66CD8A #6675CD #CD66A9 #CDBE66

square

#66CD8A #6675CD #CD66A9 #CDBE66

split-complementary

#66CD8A #BE66CD #CD6675

monochromatic

#2D8B4E #3DB968 #66CD8A #94DCAD #C2EBD1

Accessibility & contrast

On white

1.97

#66CD8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.66

#66CD8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CD8A

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CD8A	#FFFFFF	#000000	##000000
##66CD8A	1.00	1.97	10.66	10.66
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.66	21.00	1.00	1.00
##000000	10.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDBF86

Deuteranopia (green-blind)

#BEB58E

Tritanopia (blue-blind)

#4DCBBC

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66cd8a;
/* rgb */ color: rgb(102, 205, 138);
/* oklch */ color: oklch(76.9% 0.137 153.3);

Tailwind

colors: {
  custom: {
    50: '#98ddac',
    500: '#66cd8a',
    950: '#000000',
  },
}

SCSS

$custom: #66cd8a;
$custom-light: #98ddac;
$custom-dark: #000000;

JSON

{
  "hex": "#66cd8a",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 138
  },
  "hsl": {
    "h": 140.971,
    "s": 50.739,
    "l": 60.196
  },
  "oklch": {
    "l": 0.76908,
    "c": 0.13687,
    "h": 153.3
  },
  "luminance": 0.48322
}

Semantic roles & 50–950 ramp

primary

#66CD8A

secondary

#DBB4CD

accent

#2789BE

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0E1510

muted

#7E837F

Preview Lab

Preview with #66CD8A

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

Preview Lab → · Contrast checker → · Palette generator →