#66D89E#66D89E

#66D89E is a light, vivid green. Relative luminance 0.544; OKLCH L 80.0% C 0.134 H 159.0°. Best body text is #000000 at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#66D89E
RGB	rgb(102, 216, 158)
HSL	hsl(149, 59%, 62%)
HSV	hsv(149, 53%, 85%)
CMYK	cmyk(52.8%, 0%, 26.9%, 15.3%)
CIE-LAB	lab(78.70, -45.73, 18.92)
CIE-LCH	lch(78.70, 49.49, 157.52°)
OKLab	oklab(80.03% -0.1254 0.0482)
OKLCH	oklch(80.03% 0.134 159)
XYZ	xyz(36.2039, 54.4020, 40.9339)
Luminance	0.5441 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D89E #D866A0

analogous

#67D866 #66D89E #66D8D7

triadic

#66D89E #9E66D8 #D89E66

tetradic

#66D89E #6667D8 #D866A0 #D8D766

square

#66D89E #6667D8 #D866A0 #D8D766

split-complementary

#66D89E #D766D8 #D86667

monochromatic

#289C61 #35CC7F #66D89E #97E4BD #C8F1DC

Accessibility & contrast

On white

1.77

#66D89E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.88

#66D89E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D89E

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D89E	#FFFFFF	#000000	##000000
##66D89E	1.00	1.77	11.88	11.88
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.88	21.00	1.00	1.00
##000000	11.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6CA9B

Deuteranopia (green-blind)

#C6BEA2

Tritanopia (blue-blind)

#41D7C8

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66d89e;
/* rgb */ color: rgb(102, 216, 158);
/* oklch */ color: oklch(80.0% 0.134 159.0);

Tailwind

colors: {
  custom: {
    50: '#99e5ba',
    500: '#66d89e',
    950: '#000000',
  },
}

SCSS

$custom: #66d89e;
$custom-light: #99e5ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66d89e",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 158
  },
  "hsl": {
    "h": 149.474,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.80028,
    "c": 0.13438,
    "h": 159
  },
  "luminance": 0.54405
}

Semantic roles & 50–950 ramp

primary

#66D89E

secondary

#A04272

accent

#1E74C7

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0F1611

muted

#808481

Preview Lab

Preview with #66D89E

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

Preview Lab → · Contrast checker → · Palette generator →