#66EAA4#66EAA4

#66EAA4 is a very light, vivid green. Relative luminance 0.644; OKLCH L 84.5% C 0.154 H 157.4°. Best body text is #000000 at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#66EAA4
RGB	rgb(102, 234, 164)
HSL	hsl(148, 76%, 66%)
HSV	hsv(148, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 29.9%, 8.2%)
CIE-LAB	lab(84.15, -52.04, 23.31)
CIE-LCH	lch(84.15, 57.02, 155.87°)
OKLab	oklab(84.52% -0.142 0.0591)
OKLCH	oklch(84.52% 0.154 157.4)
XYZ	xyz(41.5996, 64.3469, 45.3427)
Luminance	0.6435 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EAA4 #EA66AC

analogous

#6AEA66 #66EAA4 #66EAE6

triadic

#66EAA4 #A466EA #EAA466

tetradic

#66EAA4 #666AEA #EA66AC #EAE666

square

#66EAA4 #666AEA #EA66AC #EAE666

split-complementary

#66EAA4 #E666EA #EA666A

monochromatic

#1ABC66 #30E384 #66EAA4 #9CF1C4 #D2F9E4

Accessibility & contrast

On white

1.51

#66EAA4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.87

#66EAA4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EAA4

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EAA4	#FFFFFF	#000000	##000000
##66EAA4	1.00	1.51	13.87	13.87
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.87	21.00	1.00	1.00
##000000	13.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8DAA0

Deuteranopia (green-blind)

#D6CDA8

Tritanopia (blue-blind)

#36E8D7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66eaa4;
/* rgb */ color: rgb(102, 234, 164);
/* oklch */ color: oklch(84.5% 0.154 157.4);

Tailwind

colors: {
  custom: {
    50: '#9cf1bf',
    500: '#66eaa4',
    950: '#000000',
  },
}

SCSS

$custom: #66eaa4;
$custom-light: #9cf1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#66eaa4",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 164
  },
  "hsl": {
    "h": 148.182,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84518,
    "c": 0.15384,
    "h": 157.4
  },
  "luminance": 0.64351
}

Semantic roles & 50–950 ramp

primary

#66EAA4

secondary

#BB397E

accent

#0D79D8

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EAA4

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

Preview Lab → · Contrast checker → · Palette generator →