#66E99E#66E99E

#66E99E is a very light, vivid green. Relative luminance 0.636; OKLCH L 84.1% C 0.158 H 155.6°. Best body text is #000000 at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#66E99E
RGB	rgb(102, 233, 158)
HSL	hsl(146, 75%, 66%)
HSV	hsv(146, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 32.2%, 8.6%)
CIE-LAB	lab(83.74, -52.78, 25.85)
CIE-LCH	lch(83.74, 58.77, 153.91°)
OKLab	oklab(84.15% -0.1436 0.0652)
OKLCH	oklch(84.15% 0.158 155.6)
XYZ	xyz(40.7866, 63.5674, 42.4615)
Luminance	0.6357 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E99E #E966B1

analogous

#6FE966 #66E99E #66E9DF

triadic

#66E99E #9E66E9 #E99E66

tetradic

#66E99E #666FE9 #E966B1 #E9DF66

square

#66E99E #666FE9 #E966B1 #E9DF66

split-complementary

#66E99E #DF66E9 #E9666F

monochromatic

#1BBA5F #30E17C #66E99E #9CF1C0 #D1F8E2

Accessibility & contrast

On white

1.53

#66E99E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.71

#66E99E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E99E

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E99E	#FFFFFF	#000000	##000000
##66E99E	1.00	1.53	13.71	13.71
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.71	21.00	1.00	1.00
##000000	13.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D899

Deuteranopia (green-blind)

#D6CCA3

Tritanopia (blue-blind)

#3BE7D5

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e99e;
/* rgb */ color: rgb(102, 233, 158);
/* oklch */ color: oklch(84.1% 0.158 155.6);

Tailwind

colors: {
  custom: {
    50: '#9cf1bb',
    500: '#66e99e',
    950: '#000000',
  },
}

SCSS

$custom: #66e99e;
$custom-light: #9cf1bb;
$custom-dark: #000000;

JSON

{
  "hex": "#66e99e",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 158
  },
  "hsl": {
    "h": 145.649,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.84149,
    "c": 0.15777,
    "h": 155.6
  },
  "luminance": 0.63571
}

Semantic roles & 50–950 ramp

primary

#66E99E

secondary

#B93A83

accent

#0E81D7

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66E99E

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

Preview Lab → · Contrast checker → · Palette generator →