#66F3A4#66F3A4

#66F3A4 is a very light, vivid green. Relative luminance 0.696; OKLCH L 86.7% C 0.166 H 155.8°. Best body text is #000000 at 14.92:1 contrast (WCAG AA passes).

Color values

HEX	#66F3A4
RGB	rgb(102, 243, 164)
HSL	hsl(146, 85%, 68%)
HSV	hsv(146, 58%, 95%)
CMYK	cmyk(58%, 0%, 32.5%, 4.7%)
CIE-LAB	lab(86.80, -55.66, 26.94)
CIE-LCH	lch(86.80, 61.83, 154.17°)
OKLab	oklab(86.69% -0.1514 0.068)
OKLCH	oklch(86.69% 0.166 155.8)
XYZ	xyz(44.2272, 69.6021, 46.2186)
Luminance	0.6961 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3A4 #F366B5

analogous

#6EF366 #66F3A4 #66F3EB

triadic

#66F3A4 #A466F3 #F3A466

tetradic

#66F3A4 #666EF3 #F366B5 #F3EB66

square

#66F3A4 #666EF3 #F366B5 #F3EB66

split-complementary

#66F3A4 #EB66F3 #F3666E

monochromatic

#10CE64 #2DEF82 #66F3A4 #9FF7C6 #D7FCE8

Accessibility & contrast

On white

1.41

#66F3A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.92

#66F3A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3A4

14.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3A4	#FFFFFF	#000000	##000000
##66F3A4	1.00	1.41	14.92	14.92
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.92	21.00	1.00	1.00
##000000	14.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2E29F

Deuteranopia (green-blind)

#DFD4A9

Tritanopia (blue-blind)

#32F1DE

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f3a4;
/* rgb */ color: rgb(102, 243, 164);
/* oklch */ color: oklch(86.7% 0.166 155.8);

Tailwind

colors: {
  custom: {
    50: '#9df8bf',
    500: '#66f3a4',
    950: '#000000',
  },
}

SCSS

$custom: #66f3a4;
$custom-light: #9df8bf;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3a4",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 164
  },
  "hsl": {
    "h": 146.383,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.86691,
    "c": 0.16593,
    "h": 155.8
  },
  "luminance": 0.69606
}

Semantic roles & 50–950 ramp

primary

#66F3A4

secondary

#CA3388

accent

#0480E2

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F3A4

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

Preview Lab → · Contrast checker → · Palette generator →