#66E56E#66E56E

#66E56E is a very light, vivid green. Relative luminance 0.600; OKLCH L 82.3% C 0.196 H 144.7°. Best body text is #000000 at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#66E56E
RGB	rgb(102, 229, 110)
HSL	hsl(124, 71%, 65%)
HSV	hsv(124, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 52%, 10.2%)
CIE-LAB	lab(81.83, -58.88, 47.17)
CIE-LCH	lch(81.83, 75.44, 141.30°)
OKLab	oklab(82.35% -0.1597 0.1132)
OKLCH	oklch(82.35% 0.196 144.7)
XYZ	xyz(36.3112, 59.9860, 24.4138)
Luminance	0.5999 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E56E #E566DD

analogous

#9DE566 #66E56E #66E5AE

triadic

#66E56E #6E66E5 #E56E66

tetradic

#66E56E #669DE5 #E566DD #E5AE66

square

#66E56E #669DE5 #E566DD #E5AE66

split-complementary

#66E56E #AE66E5 #E5669D

monochromatic

#1EB228 #32DC3C #66E56E #9AEEA0 #CFF7D1

Accessibility & contrast

On white

1.62

#66E56E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.00

#66E56E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E56E

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E56E	#FFFFFF	#000000	##000000
##66E56E	1.00	1.62	13.00	13.00
#FFFFFF	1.62	1.00	21.00	21.00
#000000	13.00	21.00	1.00	1.00
##000000	13.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D263

Deuteranopia (green-blind)

#D8C777

Tritanopia (blue-blind)

#4FE0CA

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e56e;
/* rgb */ color: rgb(102, 229, 110);
/* oklch */ color: oklch(82.3% 0.196 144.7);

Tailwind

colors: {
  custom: {
    50: '#9cee9a',
    500: '#66e56e',
    950: '#000000',
  },
}

SCSS

$custom: #66e56e;
$custom-light: #9cee9a;
$custom-dark: #000000;

JSON

{
  "hex": "#66e56e",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 110
  },
  "hsl": {
    "h": 123.78,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.82349,
    "c": 0.1958,
    "h": 144.7
  },
  "luminance": 0.59989
}

Semantic roles & 50–950 ramp

primary

#66E56E

secondary

#B33CAC

accent

#13C7D3

background

#FCFFFC

surface

#F6FEF5

border

#D0D6CF

text

#0F160E

muted

#80857F

Preview Lab

Preview with #66E56E

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

Preview Lab → · Contrast checker → · Palette generator →