#66EA8E#66EA8E

#66EA8E is a very light, vivid green. Relative luminance 0.636; OKLCH L 84.1% C 0.174 H 150.9°. Best body text is #000000 at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#66EA8E
RGB	rgb(102, 234, 142)
HSL	hsl(138, 76%, 66%)
HSV	hsv(138, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 39.3%, 8.2%)
CIE-LAB	lab(83.77, -56.02, 34.01)
CIE-LCH	lch(83.77, 65.54, 148.74°)
OKLab	oklab(84.08% -0.1517 0.0845)
OKLCH	oklch(84.08% 0.174 150.9)
XYZ	xyz(39.7819, 63.6198, 35.7694)
Luminance	0.6362 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA8E #EA66C2

analogous

#80EA66 #66EA8E #66EAD0

triadic

#66EA8E #8E66EA #EA8E66

tetradic

#66EA8E #6680EA #EA66C2 #EAD066

square

#66EA8E #6680EA #EA66C2 #EAD066

split-complementary

#66EA8E #D066EA #EA6680

monochromatic

#1ABC4B #30E366 #66EA8E #9CF1B6 #D2F9DD

Accessibility & contrast

On white

1.53

#66EA8E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.72

#66EA8E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA8E

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA8E	#FFFFFF	#000000	##000000
##66EA8E	1.00	1.53	13.72	13.72
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.72	21.00	1.00	1.00
##000000	13.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD888

Deuteranopia (green-blind)

#D9CC94

Tritanopia (blue-blind)

#43E7D3

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ea8e;
/* rgb */ color: rgb(102, 234, 142);
/* oklch */ color: oklch(84.1% 0.174 150.9);

Tailwind

colors: {
  custom: {
    50: '#9cf2b0',
    500: '#66ea8e',
    950: '#000000',
  },
}

SCSS

$custom: #66ea8e;
$custom-light: #9cf2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea8e",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 142
  },
  "hsl": {
    "h": 138.182,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84083,
    "c": 0.17366,
    "h": 150.9
  },
  "luminance": 0.63623
}

Semantic roles & 50–950 ramp

primary

#66EA8E

secondary

#BB3994

accent

#0D9BD8

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EA8E

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

Preview Lab → · Contrast checker → · Palette generator →