#666F3E#666F3E

#666F3E is a mid, moderate yellow-green. Relative luminance 0.145; OKLCH L 52.2% C 0.071 H 117.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#666F3E
RGB	rgb(102, 111, 62)
HSL	hsl(71, 28%, 34%)
HSV	hsv(71, 44%, 44%)
CMYK	cmyk(8.1%, 0%, 44.1%, 56.5%)
CIE-LAB	lab(45.00, -11.86, 26.10)
CIE-LCH	lch(45.00, 28.67, 114.45°)
OKLab	oklab(52.17% -0.0329 0.0633)
OKLCH	oklch(52.17% 0.071 117.5)
XYZ	xyz(12.0335, 14.5415, 6.7294)
Luminance	0.1454 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F3E #473E6F

analogous

#6F603E #666F3E #4E6F3E

triadic

#666F3E #3E666F #6F3E66

tetradic

#666F3E #3E6F60 #473E6F #6F3E4E

square

#666F3E #3E6F60 #473E6F #6F3E4E

split-complementary

#666F3E #3E4E6F #603E6F

monochromatic

#1E2012 #424828 #666F3E #8A9654 #A7B275

Accessibility & contrast

On white

5.37

#666F3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#666F3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F3E

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F3E	#FFFFFF	#000000	##FFFFFF
##666F3E	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756A3A

Deuteranopia (green-blind)

#746B40

Tritanopia (blue-blind)

#6B6A63

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666f3e;
/* rgb */ color: rgb(102, 111, 62);
/* oklch */ color: oklch(52.2% 0.071 117.5);

Tailwind

colors: {
  custom: {
    50: '#929874',
    500: '#666f3e',
    950: '#000000',
  },
}

SCSS

$custom: #666f3e;
$custom-light: #929874;
$custom-dark: #000000;

JSON

{
  "hex": "#666f3e",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 62
  },
  "hsl": {
    "h": 71.02,
    "s": 28.324,
    "l": 33.922
  },
  "oklch": {
    "l": 0.52171,
    "c": 0.07136,
    "h": 117.5
  },
  "luminance": 0.14541
}

Semantic roles & 50–950 ramp

primary

#666F3E

secondary

#756C9D

accent

#63C575

background

#F9F9F7

surface

#F1F2ED

border

#CBCCC8

text

#0D0D08

muted

#7E7E7B

Preview Lab

Preview with #666F3E

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

Preview Lab → · Contrast checker → · Palette generator →