#666D20#666D20

#666D20 is a mid, moderate yellow. Relative luminance 0.139; OKLCH L 51.3% C 0.099 H 114.4°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#666D20
RGB	rgb(102, 109, 32)
HSL	hsl(65, 55%, 28%)
HSV	hsv(65, 71%, 43%)
CMYK	cmyk(6.4%, 0%, 70.6%, 57.3%)
CIE-LAB	lab(44.04, -13.60, 40.22)
CIE-LCH	lch(44.04, 42.46, 108.68°)
OKLab	oklab(51.29% -0.041 0.0904)
OKLCH	oklch(51.29% 0.099 114.4)
XYZ	xyz(11.2091, 13.8665, 3.4522)
Luminance	0.1387 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666D20 #27206D

analogous

#6D4E20 #666D20 #3F6D20

triadic

#666D20 #20666D #6D2066

tetradic

#666D20 #206D4E #27206D #6D203F

square

#666D20 #206D4E #27206D #6D203F

split-complementary

#666D20 #203F6D #4E206D

monochromatic

#161807 #3A3E12 #666D20 #929C2E #BBC740

Accessibility & contrast

On white

5.57

#666D20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#666D20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666D20

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666D20	#FFFFFF	#000000	##FFFFFF
##666D20	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756715

Deuteranopia (green-blind)

#756926

Tritanopia (blue-blind)

#6D665E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #666d20;
/* rgb */ color: rgb(102, 109, 32);
/* oklch */ color: oklch(51.3% 0.099 114.4);

Tailwind

colors: {
  custom: {
    50: '#949660',
    500: '#666d20',
    950: '#000000',
  },
}

SCSS

$custom: #666d20;
$custom-light: #949660;
$custom-dark: #000000;

JSON

{
  "hex": "#666d20",
  "rgb": {
    "r": 102,
    "g": 109,
    "b": 32
  },
  "hsl": {
    "h": 65.455,
    "s": 54.61,
    "l": 27.647
  },
  "oklch": {
    "l": 0.51292,
    "c": 0.09927,
    "h": 114.4
  },
  "luminance": 0.13866
}

Semantic roles & 50–950 ramp

primary

#666D20

secondary

#5048A1

accent

#4ADE57

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666D20

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

Preview Lab → · Contrast checker → · Palette generator →