#666F27#666F27

#666F27 is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.9% C 0.096 H 115.9°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#666F27
RGB	rgb(102, 111, 39)
HSL	hsl(68, 48%, 29%)
HSV	hsv(68, 65%, 44%)
CMYK	cmyk(8.1%, 0%, 64.9%, 56.5%)
CIE-LAB	lab(44.72, -14.19, 37.76)
CIE-LCH	lch(44.72, 40.34, 110.60°)
OKLab	oklab(51.85% -0.0419 0.0864)
OKLCH	oklch(51.85% 0.096 115.9)
XYZ	xyz(11.5304, 14.3403, 4.0796)
Luminance	0.1434 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F27 #30276F

analogous

#6F5427 #666F27 #426F27

triadic

#666F27 #27666F #6F2766

tetradic

#666F27 #276F54 #30276F #6F2742

square

#666F27 #276F54 #30276F #6F2742

split-complementary

#666F27 #27426F #54276F

monochromatic

#151708 #3C4217 #666F27 #909C37 #B3C14F

Accessibility & contrast

On white

5.43

#666F27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#666F27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F27

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F27	#FFFFFF	#000000	##FFFFFF
##666F27	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#77691E

Deuteranopia (green-blind)

#766A2C

Tritanopia (blue-blind)

#6C6960

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666f27;
/* rgb */ color: rgb(102, 111, 39);
/* oklch */ color: oklch(51.9% 0.096 115.9);

Tailwind

colors: {
  custom: {
    50: '#949865',
    500: '#666f27',
    950: '#000000',
  },
}

SCSS

$custom: #666f27;
$custom-light: #949865;
$custom-dark: #000000;

JSON

{
  "hex": "#666f27",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 39
  },
  "hsl": {
    "h": 67.5,
    "s": 48,
    "l": 29.412
  },
  "oklch": {
    "l": 0.51853,
    "c": 0.09598,
    "h": 115.9
  },
  "luminance": 0.1434
}

Semantic roles & 50–950 ramp

primary

#666F27

secondary

#5A50A2

accent

#50D861

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666F27

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

Preview Lab → · Contrast checker → · Palette generator →