#66F3A3#66F3A3

#66F3A3 is a very light, vivid green. Relative luminance 0.696; OKLCH L 86.7% C 0.167 H 155.5°. Best body text is #000000 at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#66F3A3
RGB	rgb(102, 243, 163)
HSL	hsl(146, 85%, 68%)
HSV	hsv(146, 58%, 95%)
CMYK	cmyk(58%, 0%, 32.9%, 4.7%)
CIE-LAB	lab(86.78, -55.84, 27.42)
CIE-LCH	lch(86.78, 62.21, 153.85°)
OKLab	oklab(86.67% -0.1518 0.0691)
OKLCH	oklch(86.67% 0.167 155.5)
XYZ	xyz(44.1373, 69.5661, 45.7448)
Luminance	0.6957 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3A3 #F366B6

analogous

#70F366 #66F3A3 #66F3E9

triadic

#66F3A3 #A366F3 #F3A366

tetradic

#66F3A3 #6670F3 #F366B6 #F3E966

square

#66F3A3 #6670F3 #F366B6 #F3E966

split-complementary

#66F3A3 #E966F3 #F36670

monochromatic

#10CE62 #2DEF81 #66F3A3 #9FF7C5 #D7FCE7

Accessibility & contrast

On white

1.41

#66F3A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.91

#66F3A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3A3

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3A3	#FFFFFF	#000000	##000000
##66F3A3	1.00	1.41	14.91	14.91
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.91	21.00	1.00	1.00
##000000	14.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2E19E

Deuteranopia (green-blind)

#DFD4A8

Tritanopia (blue-blind)

#33F1DE

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f3a3;
/* rgb */ color: rgb(102, 243, 163);
/* oklch */ color: oklch(86.7% 0.167 155.5);

Tailwind

colors: {
  custom: {
    50: '#9df8be',
    500: '#66f3a3',
    950: '#000000',
  },
}

SCSS

$custom: #66f3a3;
$custom-light: #9df8be;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3a3",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 163
  },
  "hsl": {
    "h": 145.957,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.86671,
    "c": 0.1668,
    "h": 155.5
  },
  "luminance": 0.6957
}

Semantic roles & 50–950 ramp

primary

#66F3A3

secondary

#CA3389

accent

#0482E2

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F3A3

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

Preview Lab → · Contrast checker → · Palette generator →