#666A28#666A28

#666A28 is a mid, moderate yellow. Relative luminance 0.133; OKLCH L 50.6% C 0.089 H 112.4°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#666A28
RGB	rgb(102, 106, 40)
HSL	hsl(64, 45%, 29%)
HSV	hsv(64, 62%, 42%)
CMYK	cmyk(3.8%, 0%, 62.3%, 58.4%)
CIE-LAB	lab(43.19, -11.35, 35.62)
CIE-LCH	lch(43.19, 37.38, 107.67°)
OKLab	oklab(50.64% -0.0338 0.082)
OKLCH	oklch(50.64% 0.089 112.4)
XYZ	xyz(11.0168, 13.2863, 3.9912)
Luminance	0.1329 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A28 #2C286A

analogous

#6A4D28 #666A28 #456A28

triadic

#666A28 #28666A #6A2866

tetradic

#666A28 #286A4D #2C286A #6A2845

square

#666A28 #286A4D #2C286A #6A2845

split-complementary

#666A28 #28456A #4D286A

monochromatic

#151608 #3B3E17 #666A28 #919639 #B6BD50

Accessibility & contrast

On white

5.74

#666A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#666A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A28

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A28	#FFFFFF	#000000	##FFFFFF
##666A28	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726521

Deuteranopia (green-blind)

#72672C

Tritanopia (blue-blind)

#6D645C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #666a28;
/* rgb */ color: rgb(102, 106, 40);
/* oklch */ color: oklch(50.6% 0.089 112.4);

Tailwind

colors: {
  custom: {
    50: '#949465',
    500: '#666a28',
    950: '#000000',
  },
}

SCSS

$custom: #666a28;
$custom-light: #949465;
$custom-dark: #000000;

JSON

{
  "hex": "#666a28",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 40
  },
  "hsl": {
    "h": 63.636,
    "s": 45.205,
    "l": 28.627
  },
  "oklch": {
    "l": 0.50635,
    "c": 0.08864,
    "h": 112.4
  },
  "luminance": 0.13286
}

Semantic roles & 50–950 ramp

primary

#666A28

secondary

#56519D

accent

#53D55B

background

#F9F9F6

surface

#F2F1EB

border

#CCCBC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666A28

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

Preview Lab → · Contrast checker → · Palette generator →