#666C16#666C16

#666C16 is a mid, moderate yellow. Relative luminance 0.136; OKLCH L 51.0% C 0.105 H 113.6°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#666C16
RGB	rgb(102, 108, 22)
HSL	hsl(64, 66%, 25%)
HSV	hsv(64, 80%, 42%)
CMYK	cmyk(5.6%, 0%, 79.6%, 57.6%)
CIE-LAB	lab(43.67, -13.61, 43.79)
CIE-LCH	lch(43.67, 45.86, 107.27°)
OKLab	oklab(50.97% -0.042 0.0961)
OKLCH	oklch(50.97% 0.105 113.6)
XYZ	xyz(10.9872, 13.6081, 2.8067)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666C16 #1C166C

analogous

#6C4716 #666C16 #3B6C16

triadic

#666C16 #16666C #6C1666

tetradic

#666C16 #166C47 #1C166C #6C163B

square

#666C16 #166C47 #1C166C #6C163B

split-complementary

#666C16 #163B6C #47166C

monochromatic

#181905 #36390C #666C16 #969F20 #C6D22B

Accessibility & contrast

On white

5.64

#666C16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#666C16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666C16

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666C16	#FFFFFF	#000000	##FFFFFF
##666C16	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756602

Deuteranopia (green-blind)

#74681E

Tritanopia (blue-blind)

#6D655C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666c16;
/* rgb */ color: rgb(102, 108, 22);
/* oklch */ color: oklch(51.0% 0.105 113.6);

Tailwind

colors: {
  custom: {
    50: '#95955b',
    500: '#666c16',
    950: '#000000',
  },
}

SCSS

$custom: #666c16;
$custom-light: #95955b;
$custom-dark: #000000;

JSON

{
  "hex": "#666c16",
  "rgb": {
    "r": 102,
    "g": 108,
    "b": 22
  },
  "hsl": {
    "h": 64.186,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.50969,
    "c": 0.10487,
    "h": 113.6
  },
  "luminance": 0.13608
}

Semantic roles & 50–950 ramp

primary

#666C16

secondary

#433CA2

accent

#3FE94B

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666C16

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

Preview Lab → · Contrast checker → · Palette generator →