#666F50#666F50

#666F50 is a mid, muted yellow-green. Relative luminance 0.148; OKLCH L 52.5% C 0.048 H 121.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#666F50
RGB	rgb(102, 111, 80)
HSL	hsl(77, 16%, 37%)
HSV	hsv(77, 28%, 44%)
CMYK	cmyk(8.1%, 0%, 27.9%, 56.5%)
CIE-LAB	lab(45.32, -9.29, 16.17)
CIE-LCH	lch(45.32, 18.65, 119.88°)
OKLab	oklab(52.53% -0.0247 0.0408)
OKLCH	oklch(52.53% 0.048 121.2)
XYZ	xyz(12.6118, 14.7729, 9.7749)
Luminance	0.1477 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F50 #59506F

analogous

#6F6850 #666F50 #576F50

triadic

#666F50 #50666F #6F5066

tetradic

#666F50 #506F68 #59506F #6F5057

square

#666F50 #506F68 #59506F #6F5057

split-complementary

#666F50 #50576F #68506F

monochromatic

#25281D #454B36 #666F50 #87936A #A3AD8D

Accessibility & contrast

On white

5.31

#666F50 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#666F50 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F50

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F50	#FFFFFF	#000000	##FFFFFF
##666F50	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736B4E

Deuteranopia (green-blind)

#726B51

Tritanopia (blue-blind)

#696C67

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #666f50;
/* rgb */ color: rgb(102, 111, 80);
/* oklch */ color: oklch(52.5% 0.048 121.2);

Tailwind

colors: {
  custom: {
    50: '#929881',
    500: '#666f50',
    950: '#000000',
  },
}

SCSS

$custom: #666f50;
$custom-light: #929881;
$custom-dark: #000000;

JSON

{
  "hex": "#666f50",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 80
  },
  "hsl": {
    "h": 77.419,
    "s": 16.23,
    "l": 37.451
  },
  "oklch": {
    "l": 0.52533,
    "c": 0.04772,
    "h": 121.2
  },
  "luminance": 0.14773
}

Semantic roles & 50–950 ramp

primary

#666F50

secondary

#88809A

accent

#6FB984

background

#F8F9F7

surface

#F0F2EE

border

#CBCCC9

text

#0D0D0A

muted

#7D7E7C

Preview Lab

Preview with #666F50

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

Preview Lab → · Contrast checker → · Palette generator →