#666B24#666B24

#666B24 is a mid, moderate yellow. Relative luminance 0.135; OKLCH L 50.8% C 0.094 H 113.1°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#666B24
RGB	rgb(102, 107, 36)
HSL	hsl(64, 50%, 28%)
HSV	hsv(64, 66%, 42%)
CMYK	cmyk(4.7%, 0%, 66.4%, 58%)
CIE-LAB	lab(43.46, -12.22, 37.82)
CIE-LCH	lch(43.46, 39.74, 107.90°)
OKLab	oklab(50.84% -0.0367 0.086)
OKLCH	oklch(50.84% 0.094 113.1)
XYZ	xyz(11.0559, 13.4678, 3.6859)
Luminance	0.1347 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666B24 #29246B

analogous

#6B4C24 #666B24 #426B24

triadic

#666B24 #24666B #6B2466

tetradic

#666B24 #246B4C #29246B #6B2442

square

#666B24 #246B4C #29246B #6B2442

split-complementary

#666B24 #24426B #4C246B

monochromatic

#161708 #3A3D15 #666B24 #929933 #B9C148

Accessibility & contrast

On white

5.69

#666B24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#666B24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666B24

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666B24	#FFFFFF	#000000	##FFFFFF
##666B24	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#73661B

Deuteranopia (green-blind)

#736729

Tritanopia (blue-blind)

#6D655C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666b24;
/* rgb */ color: rgb(102, 107, 36);
/* oklch */ color: oklch(50.8% 0.094 113.1);

Tailwind

colors: {
  custom: {
    50: '#949563',
    500: '#666b24',
    950: '#000000',
  },
}

SCSS

$custom: #666b24;
$custom-light: #949563;
$custom-dark: #000000;

JSON

{
  "hex": "#666b24",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 36
  },
  "hsl": {
    "h": 64.225,
    "s": 49.65,
    "l": 28.039
  },
  "oklch": {
    "l": 0.50837,
    "c": 0.09351,
    "h": 113.1
  },
  "luminance": 0.13468
}

Semantic roles & 50–950 ramp

primary

#666B24

secondary

#524D9E

accent

#4FD958

background

#F9F9F6

surface

#F2F1EB

border

#CCCBC6

text

#0D0D05

muted

#7E7E7A

Preview Lab

Preview with #666B24

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

Preview Lab → · Contrast checker → · Palette generator →