#66E586#66E586

#66E586 is a very light, vivid green. Relative luminance 0.606; OKLCH L 82.7% C 0.174 H 149.4°. Best body text is #000000 at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#66E586
RGB	rgb(102, 229, 134)
HSL	hsl(135, 71%, 65%)
HSV	hsv(135, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 41.5%, 10.2%)
CIE-LAB	lab(82.15, -55.38, 35.91)
CIE-LCH	lch(82.15, 66.00, 147.04°)
OKLab	oklab(82.72% -0.1499 0.0887)
OKLCH	oklch(82.72% 0.174 149.4)
XYZ	xyz(37.7993, 60.5813, 32.2510)
Luminance	0.6058 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E586 #E566C5

analogous

#86E566 #66E586 #66E5C5

triadic

#66E586 #8666E5 #E58666

tetradic

#66E586 #6686E5 #E566C5 #E5C566

square

#66E586 #6686E5 #E566C5 #E5C566

split-complementary

#66E586 #C566E5 #E56686

monochromatic

#1EB244 #32DC5D #66E586 #9AEEAF #CFF7D9

Accessibility & contrast

On white

1.60

#66E586 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.12

#66E586 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E586

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E586	#FFFFFF	#000000	##000000
##66E586	1.00	1.60	13.12	13.12
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.12	21.00	1.00	1.00
##000000	13.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D47F

Deuteranopia (green-blind)

#D5C88C

Tritanopia (blue-blind)

#48E1CE

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66e586;
/* rgb */ color: rgb(102, 229, 134);
/* oklch */ color: oklch(82.7% 0.174 149.4);

Tailwind

colors: {
  custom: {
    50: '#9beeaa',
    500: '#66e586',
    950: '#000000',
  },
}

SCSS

$custom: #66e586;
$custom-light: #9beeaa;
$custom-dark: #000000;

JSON

{
  "hex": "#66e586",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 134
  },
  "hsl": {
    "h": 135.118,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.82719,
    "c": 0.17424,
    "h": 149.4
  },
  "luminance": 0.60585
}

Semantic roles & 50–950 ramp

primary

#66E586

secondary

#B33C95

accent

#13A2D3

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1610

muted

#808581

Preview Lab

Preview with #66E586

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

Preview Lab → · Contrast checker → · Palette generator →