#66DA89#66DA89

#66DA89 is a light, vivid green. Relative luminance 0.548; OKLCH L 80.1% C 0.156 H 151.2°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#66DA89
RGB	rgb(102, 218, 137)
HSL	hsl(138, 61%, 63%)
HSV	hsv(138, 53%, 85%)
CMYK	cmyk(53.2%, 0%, 37.2%, 14.5%)
CIE-LAB	lab(78.91, -50.49, 30.13)
CIE-LCH	lch(78.91, 58.80, 149.17°)
OKLab	oklab(80.08% -0.137 0.0752)
OKLCH	oklch(80.08% 0.156 151.2)
XYZ	xyz(35.0638, 54.7707, 32.3861)
Luminance	0.5477 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA89 #DA66B7

analogous

#7DDA66 #66DA89 #66DAC3

triadic

#66DA89 #8966DA #DA8966

tetradic

#66DA89 #667DDA #DA66B7 #DAC366

square

#66DA89 #667DDA #DA66B7 #DAC366

split-complementary

#66DA89 #C366DA #DA667D

monochromatic

#269F4B #35CE63 #66DA89 #97E6AF #C9F2D5

Accessibility & contrast

On white

1.76

#66DA89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#66DA89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA89

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA89	#FFFFFF	#000000	##000000
##66DA89	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBCA84

Deuteranopia (green-blind)

#CBBF8E

Tritanopia (blue-blind)

#4AD7C5

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66da89;
/* rgb */ color: rgb(102, 218, 137);
/* oklch */ color: oklch(80.1% 0.156 151.2);

Tailwind

colors: {
  custom: {
    50: '#9ae6ac',
    500: '#66da89',
    950: '#000000',
  },
}

SCSS

$custom: #66da89;
$custom-light: #9ae6ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66da89",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 137
  },
  "hsl": {
    "h": 138.103,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.80076,
    "c": 0.1563,
    "h": 151.2
  },
  "luminance": 0.54774
}

Semantic roles & 50–950 ramp

primary

#66DA89

secondary

#A34185

accent

#1D95C9

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0F1610

muted

#808481

Preview Lab

Preview with #66DA89

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

Preview Lab → · Contrast checker → · Palette generator →