#66D788#66D788

#66D788 is a light, vivid green. Relative luminance 0.532; OKLCH L 79.3% C 0.153 H 151.3°. Best body text is #000000 at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#66D788
RGB	rgb(102, 215, 136)
HSL	hsl(138, 59%, 62%)
HSV	hsv(138, 53%, 84%)
CMYK	cmyk(52.6%, 0%, 36.7%, 15.7%)
CIE-LAB	lab(77.99, -49.44, 29.43)
CIE-LCH	lch(77.99, 57.53, 149.24°)
OKLab	oklab(79.32% -0.1342 0.0735)
OKLCH	oklch(79.32% 0.153 151.3)
XYZ	xyz(34.2214, 53.2003, 31.7531)
Luminance	0.5320 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D788 #D766B5

analogous

#7DD766 #66D788 #66D7C0

triadic

#66D788 #8866D7 #D78866

tetradic

#66D788 #667DD7 #D766B5 #D7C066

square

#66D788 #667DD7 #D766B5 #D7C066

split-complementary

#66D788 #C066D7 #D7667D

monochromatic

#289A4B #35CA62 #66D788 #97E4AE #C7F0D3

Accessibility & contrast

On white

1.80

#66D788 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.64

#66D788 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D788

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D788	#FFFFFF	#000000	##000000
##66D788	1.00	1.80	11.64	11.64
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.64	21.00	1.00	1.00
##000000	11.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C783

Deuteranopia (green-blind)

#C8BD8D

Tritanopia (blue-blind)

#4BD4C3

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66d788;
/* rgb */ color: rgb(102, 215, 136);
/* oklch */ color: oklch(79.3% 0.153 151.3);

Tailwind

colors: {
  custom: {
    50: '#99e4ab',
    500: '#66d788',
    950: '#000000',
  },
}

SCSS

$custom: #66d788;
$custom-light: #99e4ab;
$custom-dark: #000000;

JSON

{
  "hex": "#66d788",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 136
  },
  "hsl": {
    "h": 138.053,
    "s": 58.549,
    "l": 62.157
  },
  "oklch": {
    "l": 0.79321,
    "c": 0.15302,
    "h": 151.3
  },
  "luminance": 0.53203
}

Semantic roles & 50–950 ramp

primary

#66D788

secondary

#9F4283

accent

#1F94C6

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0F1610

muted

#808481

Preview Lab

Preview with #66D788

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

Preview Lab → · Contrast checker → · Palette generator →