#66D586#66D586

#66D586 is a light, vivid green. Relative luminance 0.521; OKLCH L 78.8% C 0.152 H 150.9°. Best body text is #000000 at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#66D586
RGB	rgb(102, 213, 134)
HSL	hsl(137, 57%, 62%)
HSV	hsv(137, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 37.1%, 16.5%)
CIE-LAB	lab(77.36, -48.96, 29.62)
CIE-LCH	lch(77.36, 57.22, 148.83°)
OKLab	oklab(78.79% -0.1329 0.074)
OKLCH	oklch(78.79% 0.152 150.9)
XYZ	xyz(33.5745, 52.1317, 30.8428)
Luminance	0.5213 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D586 #D566B5

analogous

#7ED566 #66D586 #66D5BD

triadic

#66D586 #8666D5 #D58666

tetradic

#66D586 #667ED5 #D566B5 #D5BD66

square

#66D586 #667ED5 #D566B5 #D5BD66

split-complementary

#66D586 #BD66D5 #D5667E

monochromatic

#299749 #37C760 #66D586 #96E2AC #C6EFD2

Accessibility & contrast

On white

1.84

#66D586 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.43

#66D586 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D586

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D586	#FFFFFF	#000000	##000000
##66D586	1.00	1.84	11.43	11.43
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.43	21.00	1.00	1.00
##000000	11.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C681

Deuteranopia (green-blind)

#C6BB8B

Tritanopia (blue-blind)

#4CD2C1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66d586;
/* rgb */ color: rgb(102, 213, 134);
/* oklch */ color: oklch(78.8% 0.152 150.9);

Tailwind

colors: {
  custom: {
    50: '#99e3aa',
    500: '#66d586',
    950: '#000000',
  },
}

SCSS

$custom: #66d586;
$custom-light: #99e3aa;
$custom-dark: #000000;

JSON

{
  "hex": "#66d586",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 134
  },
  "hsl": {
    "h": 137.297,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.78792,
    "c": 0.15209,
    "h": 150.9
  },
  "luminance": 0.52135
}

Semantic roles & 50–950 ramp

primary

#66D586

secondary

#9C4382

accent

#2195C4

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1510

muted

#7F8481

Preview Lab

Preview with #66D586

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

Preview Lab → · Contrast checker → · Palette generator →