#66DD89#66DD89

#66DD89 is a light, vivid green. Relative luminance 0.563; OKLCH L 80.8% C 0.160 H 150.9°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#66DD89
RGB	rgb(102, 221, 137)
HSL	hsl(138, 64%, 63%)
HSV	hsv(138, 54%, 87%)
CMYK	cmyk(53.8%, 0%, 38%, 13.3%)
CIE-LAB	lab(79.81, -51.71, 31.32)
CIE-LCH	lch(79.81, 60.45, 148.79°)
OKLab	oklab(80.81% -0.1402 0.0781)
OKLCH	oklch(80.81% 0.16 150.9)
XYZ	xyz(35.8488, 56.3407, 32.6478)
Luminance	0.5634 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DD89 #DD66BA

analogous

#7EDD66 #66DD89 #66DDC4

triadic

#66DD89 #8966DD #DD8966

tetradic

#66DD89 #667EDD #DD66BA #DDC466

square

#66DD89 #667EDD #DD66BA #DDC466

split-complementary

#66DD89 #C466DD #DD667E

monochromatic

#24A44A #34D262 #66DD89 #98E8B0 #CAF3D6

Accessibility & contrast

On white

1.71

#66DD89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#66DD89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DD89

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DD89	#FFFFFF	#000000	##000000
##66DD89	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DECD83

Deuteranopia (green-blind)

#CEC18E

Tritanopia (blue-blind)

#49DAC8

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #66dd89;
/* rgb */ color: rgb(102, 221, 137);
/* oklch */ color: oklch(80.8% 0.160 150.9);

Tailwind

colors: {
  custom: {
    50: '#9ae8ac',
    500: '#66dd89',
    950: '#000000',
  },
}

SCSS

$custom: #66dd89;
$custom-light: #9ae8ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66dd89",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 137
  },
  "hsl": {
    "h": 137.647,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.80811,
    "c": 0.16048,
    "h": 150.9
  },
  "luminance": 0.56344
}

Semantic roles & 50–950 ramp

primary

#66DD89

secondary

#A74089

accent

#1A97CB

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0F1610

muted

#808481

Preview Lab

Preview with #66DD89

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

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