#66EFA3#66EFA3

#66EFA3 is a very light, vivid green. Relative luminance 0.672; OKLCH L 85.7% C 0.161 H 156.2°. Best body text is #000000 at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#66EFA3
RGB	rgb(102, 239, 163)
HSL	hsl(147, 81%, 67%)
HSV	hsv(147, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 31.8%, 6.3%)
CIE-LAB	lab(85.60, -54.25, 25.82)
CIE-LCH	lch(85.60, 60.08, 154.55°)
OKLab	oklab(85.71% -0.1477 0.0652)
OKLCH	oklch(85.71% 0.161 156.2)
XYZ	xyz(42.9532, 67.1981, 45.3502)
Luminance	0.6720 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFA3 #EF66B2

analogous

#6EEF66 #66EFA3 #66EFE7

triadic

#66EFA3 #A366EF #EFA366

tetradic

#66EFA3 #666EEF #EF66B2 #EFE766

square

#66EFA3 #666EEF #EF66B2 #EFE766

split-complementary

#66EFA3 #E766EF #EF666E

monochromatic

#15C664 #2FE982 #66EFA3 #9DF5C4 #D5FBE6

Accessibility & contrast

On white

1.45

#66EFA3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.44

#66EFA3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFA3

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFA3	#FFFFFF	#000000	##000000
##66EFA3	1.00	1.45	14.44	14.44
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.44	21.00	1.00	1.00
##000000	14.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEDE9E

Deuteranopia (green-blind)

#DBD1A8

Tritanopia (blue-blind)

#35EDDB

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66efa3;
/* rgb */ color: rgb(102, 239, 163);
/* oklch */ color: oklch(85.7% 0.161 156.2);

Tailwind

colors: {
  custom: {
    50: '#9cf5be',
    500: '#66efa3',
    950: '#000000',
  },
}

SCSS

$custom: #66efa3;
$custom-light: #9cf5be;
$custom-dark: #000000;

JSON

{
  "hex": "#66efa3",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 163
  },
  "hsl": {
    "h": 146.715,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85705,
    "c": 0.16145,
    "h": 156.2
  },
  "luminance": 0.67202
}

Semantic roles & 50–950 ramp

primary

#66EFA3

secondary

#C33684

accent

#087EDD

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EFA3

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

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