#66E8A0#66E8A0

#66E8A0 is a very light, vivid green. Relative luminance 0.631; OKLCH L 83.9% C 0.155 H 156.4°. Best body text is #000000 at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#66E8A0
RGB	rgb(102, 232, 160)
HSL	hsl(147, 74%, 65%)
HSV	hsv(147, 56%, 91%)
CMYK	cmyk(56%, 0%, 31%, 9%)
CIE-LAB	lab(83.48, -52.00, 24.46)
CIE-LCH	lch(83.48, 57.46, 154.80°)
OKLab	oklab(83.95% -0.1417 0.0619)
OKLCH	oklch(83.95% 0.155 156.4)
XYZ	xyz(40.6779, 63.0723, 43.2814)
Luminance	0.6308 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8A0 #E866AE

analogous

#6DE866 #66E8A0 #66E8E1

triadic

#66E8A0 #A066E8 #E8A066

tetradic

#66E8A0 #666DE8 #E866AE #E8E166

square

#66E8A0 #666DE8 #E866AE #E8E166

split-complementary

#66E8A0 #E166E8 #E8666D

monochromatic

#1CB861 #31E07F #66E8A0 #9BF0C1 #D0F8E2

Accessibility & contrast

On white

1.54

#66E8A0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.62

#66E8A0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8A0

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8A0	#FFFFFF	#000000	##000000
##66E8A0	1.00	1.54	13.62	13.62
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.62	21.00	1.00	1.00
##000000	13.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D89C

Deuteranopia (green-blind)

#D5CBA4

Tritanopia (blue-blind)

#3AE6D5

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e8a0;
/* rgb */ color: rgb(102, 232, 160);
/* oklch */ color: oklch(83.9% 0.155 156.4);

Tailwind

colors: {
  custom: {
    50: '#9bf0bc',
    500: '#66e8a0',
    950: '#000000',
  },
}

SCSS

$custom: #66e8a0;
$custom-light: #9bf0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8a0",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 160
  },
  "hsl": {
    "h": 146.769,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.83949,
    "c": 0.15464,
    "h": 156.4
  },
  "luminance": 0.63076
}

Semantic roles & 50–950 ramp

primary

#66E8A0

secondary

#B83A80

accent

#107DD6

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66E8A0

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

Preview Lab → · Contrast checker → · Palette generator →