#666E28#666E28

#666E28 is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.6% C 0.094 H 115.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#666E28
RGB	rgb(102, 110, 40)
HSL	hsl(67, 47%, 29%)
HSV	hsv(67, 64%, 43%)
CMYK	cmyk(7.3%, 0%, 63.6%, 56.9%)
CIE-LAB	lab(44.42, -13.57, 36.96)
CIE-LCH	lch(44.42, 39.37, 110.16°)
OKLab	oklab(51.62% -0.04 0.0848)
OKLCH	oklch(51.62% 0.094 115.2)
XYZ	xyz(11.4387, 14.1300, 4.1319)
Luminance	0.1413 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E28 #30286E

analogous

#6E5328 #666E28 #436E28

triadic

#666E28 #28666E #6E2866

tetradic

#666E28 #286E53 #30286E #6E2843

square

#666E28 #286E53 #30286E #6E2843

split-complementary

#666E28 #28436E #53286E

monochromatic

#151608 #3C4118 #666E28 #909B38 #B3C051

Accessibility & contrast

On white

5.49

#666E28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#666E28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E28

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E28	#FFFFFF	#000000	##FFFFFF
##666E28	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766920

Deuteranopia (green-blind)

#756A2C

Tritanopia (blue-blind)

#6C685F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e28;
/* rgb */ color: rgb(102, 110, 40);
/* oklch */ color: oklch(51.6% 0.094 115.2);

Tailwind

colors: {
  custom: {
    50: '#949765',
    500: '#666e28',
    950: '#000000',
  },
}

SCSS

$custom: #666e28;
$custom-light: #949765;
$custom-dark: #000000;

JSON

{
  "hex": "#666e28",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 40
  },
  "hsl": {
    "h": 66.857,
    "s": 46.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.51617,
    "c": 0.09378,
    "h": 115.2
  },
  "luminance": 0.1413
}

Semantic roles & 50–950 ramp

primary

#666E28

secondary

#5A51A0

accent

#51D661

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666E28

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

Preview Lab → · Contrast checker → · Palette generator →