#66B999#66B999

#66B999 is a light, moderate teal. Relative luminance 0.398; OKLCH L 72.4% C 0.095 H 166.8°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#66B999
RGB	rgb(102, 185, 153)
HSL	hsl(157, 37%, 56%)
HSV	hsv(157, 45%, 73%)
CMYK	cmyk(44.9%, 0%, 17.3%, 27.5%)
CIE-LAB	lab(69.34, -32.89, 8.45)
CIE-LCH	lch(69.34, 33.96, 165.60°)
OKLab	oklab(72.39% -0.0923 0.0217)
OKLCH	oklch(72.39% 0.095 166.8)
XYZ	xyz(28.5758, 39.8205, 36.3111)
Luminance	0.3982 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B999 #B96686

analogous

#66B970 #66B999 #66B0B9

triadic

#66B999 #9966B9 #B99966

tetradic

#66B999 #7066B9 #B96686 #B0B966

square

#66B999 #7066B9 #B96686 #B0B966

split-complementary

#66B999 #B966B0 #B97066

monochromatic

#347159 #479B7B #66B999 #90CCB5 #BADFD1

Accessibility & contrast

On white

2.34

#66B999 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#66B999 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B999

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B999	#FFFFFF	#000000	##000000
##66B999	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6AF97

Deuteranopia (green-blind)

#A8A59B

Tritanopia (blue-blind)

#4CBAB0

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66b999;
/* rgb */ color: rgb(102, 185, 153);
/* oklch */ color: oklch(72.4% 0.095 166.8);

Tailwind

colors: {
  custom: {
    50: '#96ceb7',
    500: '#66b999',
    950: '#000000',
  },
}

SCSS

$custom: #66b999;
$custom-light: #96ceb7;
$custom-dark: #000000;

JSON

{
  "hex": "#66b999",
  "rgb": {
    "r": 102,
    "g": 185,
    "b": 153
  },
  "hsl": {
    "h": 156.867,
    "s": 37.22,
    "l": 56.275
  },
  "oklch": {
    "l": 0.72388,
    "c": 0.0948,
    "h": 166.8
  },
  "luminance": 0.39823
}

Semantic roles & 50–950 ramp

primary

#66B999

secondary

#CEACB9

accent

#5B87CD

background

#F9FCFB

surface

#F2F9F6

border

#CCD2D0

text

#0E1311

muted

#7E8280

Preview Lab

Preview with #66B999

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

Preview Lab → · Contrast checker → · Palette generator →