#66EB8F#66EB8F

#66EB8F is a very light, vivid green. Relative luminance 0.642; OKLCH L 84.3% C 0.174 H 151.0°. Best body text is #000000 at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#66EB8F
RGB	rgb(102, 235, 143)
HSL	hsl(138, 77%, 66%)
HSV	hsv(138, 57%, 92%)
CMYK	cmyk(56.6%, 0%, 39.1%, 7.8%)
CIE-LAB	lab(84.08, -56.24, 33.92)
CIE-LCH	lch(84.08, 65.68, 148.90°)
OKLab	oklab(84.35% -0.1523 0.0843)
OKLCH	oklch(84.35% 0.174 151)
XYZ	xyz(40.1428, 64.2209, 36.2617)
Luminance	0.6422 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EB8F #EB66C2

analogous

#7FEB66 #66EB8F #66EBD1

triadic

#66EB8F #8F66EB #EB8F66

tetradic

#66EB8F #667FEB #EB66C2 #EBD166

square

#66EB8F #667FEB #EB66C2 #EBD166

split-complementary

#66EB8F #D166EB #EB667F

monochromatic

#19BE4C #30E467 #66EB8F #9CF2B7 #D2F9DE

Accessibility & contrast

On white

1.52

#66EB8F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.85

#66EB8F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EB8F

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EB8F	#FFFFFF	#000000	##000000
##66EB8F	1.00	1.52	13.85	13.85
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.85	21.00	1.00	1.00
##000000	13.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD989

Deuteranopia (green-blind)

#DACD95

Tritanopia (blue-blind)

#42E8D4

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66eb8f;
/* rgb */ color: rgb(102, 235, 143);
/* oklch */ color: oklch(84.3% 0.174 151.0);

Tailwind

colors: {
  custom: {
    50: '#9cf2b0',
    500: '#66eb8f',
    950: '#000000',
  },
}

SCSS

$custom: #66eb8f;
$custom-light: #9cf2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#66eb8f",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 143
  },
  "hsl": {
    "h": 138.496,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.84345,
    "c": 0.17409,
    "h": 151
  },
  "luminance": 0.64225
}

Semantic roles & 50–950 ramp

primary

#66EB8F

secondary

#BD3994

accent

#0C9AD9

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EB8F

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

Preview Lab → · Contrast checker → · Palette generator →