#666E27#666E27

#666E27 is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.6% C 0.095 H 115.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#666E27
RGB	rgb(102, 110, 39)
HSL	hsl(67, 48%, 29%)
HSV	hsv(67, 65%, 43%)
CMYK	cmyk(7.3%, 0%, 64.5%, 56.9%)
CIE-LAB	lab(44.41, -13.65, 37.43)
CIE-LCH	lch(44.41, 39.84, 110.03°)
OKLab	oklab(51.61% -0.0403 0.0857)
OKLCH	oklch(51.61% 0.095 115.2)
XYZ	xyz(11.4219, 14.1233, 4.0434)
Luminance	0.1412 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E27 #2F276E

analogous

#6E5327 #666E27 #436E27

triadic

#666E27 #27666E #6E2766

tetradic

#666E27 #276E53 #2F276E #6E2743

square

#666E27 #276E53 #2F276E #6E2743

split-complementary

#666E27 #27436E #53276E

monochromatic

#151708 #3C4117 #666E27 #909B37 #B4C14F

Accessibility & contrast

On white

5.49

#666E27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#666E27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E27

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E27	#FFFFFF	#000000	##FFFFFF
##666E27	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#76681E

Deuteranopia (green-blind)

#756A2C

Tritanopia (blue-blind)

#6C685F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e27;
/* rgb */ color: rgb(102, 110, 39);
/* oklch */ color: oklch(51.6% 0.095 115.2);

Tailwind

colors: {
  custom: {
    50: '#949765',
    500: '#666e27',
    950: '#000000',
  },
}

SCSS

$custom: #666e27;
$custom-light: #949765;
$custom-dark: #000000;

JSON

{
  "hex": "#666e27",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 39
  },
  "hsl": {
    "h": 66.761,
    "s": 47.651,
    "l": 29.216
  },
  "oklch": {
    "l": 0.51606,
    "c": 0.09468,
    "h": 115.2
  },
  "luminance": 0.14123
}

Semantic roles & 50–950 ramp

primary

#666E27

secondary

#5950A1

accent

#51D760

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666E27

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

Preview Lab → · Contrast checker → · Palette generator →