#66DC89#66DC89

#66DC89 is a light, vivid green. Relative luminance 0.558; OKLCH L 80.6% C 0.159 H 151.0°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#66DC89
RGB	rgb(102, 220, 137)
HSL	hsl(138, 63%, 63%)
HSV	hsv(138, 54%, 86%)
CMYK	cmyk(53.6%, 0%, 37.7%, 13.7%)
CIE-LAB	lab(79.51, -51.30, 30.93)
CIE-LCH	lch(79.51, 59.90, 148.92°)
OKLab	oklab(80.57% -0.1391 0.0771)
OKLCH	oklch(80.57% 0.159 151)
XYZ	xyz(35.5855, 55.8142, 32.5600)
Luminance	0.5582 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DC89 #DC66B9

analogous

#7EDC66 #66DC89 #66DCC4

triadic

#66DC89 #8966DC #DC8966

tetradic

#66DC89 #667EDC #DC66B9 #DCC466

square

#66DC89 #667EDC #DC66B9 #DCC466

split-complementary

#66DC89 #C466DC #DC667E

monochromatic

#25A24A #34D163 #66DC89 #98E7AF #CAF3D6

Accessibility & contrast

On white

1.73

#66DC89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#66DC89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC89

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DC89	#FFFFFF	#000000	##000000
##66DC89	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDCC83

Deuteranopia (green-blind)

#CDC18E

Tritanopia (blue-blind)

#49D9C7

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66dc89;
/* rgb */ color: rgb(102, 220, 137);
/* oklch */ color: oklch(80.6% 0.159 151.0);

Tailwind

colors: {
  custom: {
    50: '#9ae8ac',
    500: '#66dc89',
    950: '#000000',
  },
}

SCSS

$custom: #66dc89;
$custom-light: #9ae8ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66dc89",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 137
  },
  "hsl": {
    "h": 137.797,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.80566,
    "c": 0.15909,
    "h": 151
  },
  "luminance": 0.55817
}

Semantic roles & 50–950 ramp

primary

#66DC89

secondary

#A64188

accent

#1B96CB

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0F1610

muted

#808481

Preview Lab

Preview with #66DC89

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

Preview Lab → · Contrast checker → · Palette generator →