#66FDAF#66FDAF

#66FDAF is a very light, vivid green. Relative luminance 0.762; OKLCH L 89.3% C 0.170 H 157.5°. Best body text is #000000 at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#66FDAF
RGB	rgb(102, 253, 175)
HSL	hsl(149, 97%, 70%)
HSV	hsv(149, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 30.8%, 0.8%)
CIE-LAB	lab(89.94, -57.52, 25.62)
CIE-LCH	lch(89.94, 62.96, 155.99°)
OKLab	oklab(89.33% -0.1567 0.0648)
OKLCH	oklch(89.33% 0.17 157.5)
XYZ	xyz(48.3384, 76.1657, 52.7032)
Luminance	0.7617 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDAF #FD66B4

analogous

#69FD66 #66FDAF #66FDFB

triadic

#66FDAF #AF66FD #FDAF66

tetradic

#66FDAF #6669FD #FD66B4 #FDFB66

square

#66FDAF #6669FD #FD66B4 #FDFB66

split-complementary

#66FDAF #FB66FD #FD6669

monochromatic

#03E671 #2AFC8F #66FDAF #A2FECF #DFFFEE

Accessibility & contrast

On white

1.29

#66FDAF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.23

#66FDAF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDAF

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDAF	#FFFFFF	#000000	##000000
##66FDAF	1.00	1.29	16.23	16.23
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.23	21.00	1.00	1.00
##000000	16.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBEBAA

Deuteranopia (green-blind)

#E7DCB4

Tritanopia (blue-blind)

#20FBE8

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #66fdaf;
/* rgb */ color: rgb(102, 253, 175);
/* oklch */ color: oklch(89.3% 0.170 157.5);

Tailwind

colors: {
  custom: {
    50: '#9effc7',
    500: '#66fdaf',
    950: '#000000',
  },
}

SCSS

$custom: #66fdaf;
$custom-light: #9effc7;
$custom-dark: #000000;

JSON

{
  "hex": "#66fdaf",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 175
  },
  "hsl": {
    "h": 149.007,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89325,
    "c": 0.16959,
    "h": 157.5
  },
  "luminance": 0.7617
}

Semantic roles & 50–950 ramp

primary

#66FDAF

secondary

#D82F86

accent

#0077E6

background

#FCFFFD

surface

#F6FFF9

border

#D0D7D2

text

#101813

muted

#808682

Preview Lab

Preview with #66FDAF

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

Preview Lab → · Contrast checker → · Palette generator →