#66735B#66735B

#66735B is a mid, muted yellow-green. Relative luminance 0.158; OKLCH L 53.8% C 0.040 H 130.9°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#66735B
RGB	rgb(102, 115, 91)
HSL	hsl(93, 12%, 40%)
HSV	hsv(93, 21%, 45%)
CMYK	cmyk(11.3%, 0%, 20.9%, 54.9%)
CIE-LAB	lab(46.77, -9.68, 11.69)
CIE-LCH	lch(46.77, 15.17, 129.63°)
OKLab	oklab(53.76% -0.0259 0.03)
OKLCH	oklch(53.76% 0.04 130.9)
XYZ	xyz(13.4982, 15.8415, 12.2421)
Luminance	0.1584 (WCAG relative)
Temperature	neutral
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66735B #685B73

analogous

#72735B #66735B #5B735C

triadic

#66735B #5B6673 #735B66

tetradic

#66735B #5B7273 #685B73 #735C5B

square

#66735B #5B7273 #685B73 #735C5B

split-complementary

#66735B #5C5B73 #735B72

monochromatic

#292F25 #485140 #66735B #849477 #A3AF9A

Accessibility & contrast

On white

5.04

#66735B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#66735B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66735B

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66735B	#FFFFFF	#000000	##FFFFFF
##66735B	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756F5A

Deuteranopia (green-blind)

#736F5C

Tritanopia (blue-blind)

#67716C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #66735b;
/* rgb */ color: rgb(102, 115, 91);
/* oklch */ color: oklch(53.8% 0.040 130.9);

Tailwind

colors: {
  custom: {
    50: '#919b89',
    500: '#66735b',
    950: '#000000',
  },
}

SCSS

$custom: #66735b;
$custom-light: #919b89;
$custom-dark: #000000;

JSON

{
  "hex": "#66735b",
  "rgb": {
    "r": 102,
    "g": 115,
    "b": 91
  },
  "hsl": {
    "h": 92.5,
    "s": 11.65,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5376,
    "c": 0.0396,
    "h": 130.9
  },
  "luminance": 0.15842
}

Semantic roles & 50–950 ramp

primary

#66735B

secondary

#968C9E

accent

#73B597

background

#F8F9F8

surface

#F0F2F0

border

#CBCCCB

text

#0D0E0B

muted

#7D7E7C

Preview Lab

Preview with #66735B

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

Preview Lab → · Contrast checker → · Palette generator →