#66F1A3#66F1A3

#66F1A3 is a very light, vivid green. Relative luminance 0.684; OKLCH L 86.2% C 0.164 H 155.8°. Best body text is #000000 at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#66F1A3
RGB	rgb(102, 241, 163)
HSL	hsl(146, 83%, 67%)
HSV	hsv(146, 58%, 95%)
CMYK	cmyk(57.7%, 0%, 32.4%, 5.5%)
CIE-LAB	lab(86.19, -55.05, 26.62)
CIE-LCH	lch(86.19, 61.15, 154.19°)
OKLab	oklab(86.19% -0.1498 0.0672)
OKLCH	oklch(86.19% 0.164 155.8)
XYZ	xyz(43.5420, 68.3756, 45.5464)
Luminance	0.6838 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F1A3 #F166B4

analogous

#6EF166 #66F1A3 #66F1E9

triadic

#66F1A3 #A366F1 #F1A366

tetradic

#66F1A3 #666EF1 #F166B4 #F1E966

square

#66F1A3 #666EF1 #F166B4 #F1E966

split-complementary

#66F1A3 #E966F1 #F1666E

monochromatic

#12CA63 #2EEC81 #66F1A3 #9EF6C5 #D6FBE6

Accessibility & contrast

On white

1.43

#66F1A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.68

#66F1A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F1A3

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F1A3	#FFFFFF	#000000	##000000
##66F1A3	1.00	1.43	14.68	14.68
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.68	21.00	1.00	1.00
##000000	14.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0E09E

Deuteranopia (green-blind)

#DDD2A8

Tritanopia (blue-blind)

#34EFDD

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66f1a3;
/* rgb */ color: rgb(102, 241, 163);
/* oklch */ color: oklch(86.2% 0.164 155.8);

Tailwind

colors: {
  custom: {
    50: '#9df6be',
    500: '#66f1a3',
    950: '#000000',
  },
}

SCSS

$custom: #66f1a3;
$custom-light: #9df6be;
$custom-dark: #000000;

JSON

{
  "hex": "#66f1a3",
  "rgb": {
    "r": 102,
    "g": 241,
    "b": 163
  },
  "hsl": {
    "h": 146.331,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.86188,
    "c": 0.16414,
    "h": 155.8
  },
  "luminance": 0.6838
}

Semantic roles & 50–950 ramp

primary

#66F1A3

secondary

#C73487

accent

#0680E0

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F1A3

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

Preview Lab → · Contrast checker → · Palette generator →