#66ED8A#66ED8A

#66ED8A is a very light, vivid green. Relative luminance 0.652; OKLCH L 84.7% C 0.181 H 149.7°. Best body text is #000000 at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#66ED8A
RGB	rgb(102, 237, 138)
HSL	hsl(136, 79%, 66%)
HSV	hsv(136, 57%, 93%)
CMYK	cmyk(57%, 0%, 41.8%, 7.1%)
CIE-LAB	lab(84.60, -57.84, 37.09)
CIE-LCH	lch(84.60, 68.71, 147.33°)
OKLab	oklab(84.75% -0.1565 0.0916)
OKLCH	oklch(84.75% 0.181 149.7)
XYZ	xyz(40.3483, 65.2244, 34.5031)
Luminance	0.6523 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ED8A #ED66C9

analogous

#86ED66 #66ED8A #66EDCE

triadic

#66ED8A #8A66ED #ED8A66

tetradic

#66ED8A #6686ED #ED66C9 #EDCE66

square

#66ED8A #6686ED #ED66C9 #EDCE66

split-complementary

#66ED8A #CE66ED #ED6686

monochromatic

#17C244 #2FE760 #66ED8A #9DF3B4 #D4FADE

Accessibility & contrast

On white

1.50

#66ED8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.05

#66ED8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ED8A

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ED8A	#FFFFFF	#000000	##000000
##66ED8A	1.00	1.50	14.05	14.05
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.05	21.00	1.00	1.00
##000000	14.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFDB83

Deuteranopia (green-blind)

#DDCE91

Tritanopia (blue-blind)

#43E9D5

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #66ed8a;
/* rgb */ color: rgb(102, 237, 138);
/* oklch */ color: oklch(84.7% 0.181 149.7);

Tailwind

colors: {
  custom: {
    50: '#9cf4ad',
    500: '#66ed8a',
    950: '#000000',
  },
}

SCSS

$custom: #66ed8a;
$custom-light: #9cf4ad;
$custom-dark: #000000;

JSON

{
  "hex": "#66ed8a",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 138
  },
  "hsl": {
    "h": 136,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.84746,
    "c": 0.18134,
    "h": 149.7
  },
  "luminance": 0.65228
}

Semantic roles & 50–950 ramp

primary

#66ED8A

secondary

#C0379B

accent

#0AA4DB

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66ED8A

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

Preview Lab → · Contrast checker → · Palette generator →