#666A16#666A16

#666A16 is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.5% C 0.103 H 112.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#666A16
RGB	rgb(102, 106, 22)
HSL	hsl(63, 66%, 25%)
HSV	hsv(63, 79%, 42%)
CMYK	cmyk(3.8%, 0%, 79.2%, 58.4%)
CIE-LAB	lab(43.05, -12.51, 43.22)
CIE-LCH	lch(43.05, 44.99, 106.14°)
OKLab	oklab(50.48% -0.039 0.0949)
OKLCH	oklch(50.48% 0.103 112.3)
XYZ	xyz(10.7787, 13.1910, 2.7372)
Luminance	0.1319 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A16 #1A166A

analogous

#6A4416 #666A16 #3C6A16

triadic

#666A16 #16666A #6A1666

tetradic

#666A16 #166A44 #1A166A #6A163C

square

#666A16 #166A44 #1A166A #6A163C

split-complementary

#666A16 #163C6A #44166A

monochromatic

#181905 #35370B #666A16 #979D21 #C8CF2B

Accessibility & contrast

On white

5.77

#666A16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#666A16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A16

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A16	#FFFFFF	#000000	##FFFFFF
##666A16	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736503

Deuteranopia (green-blind)

#73671D

Tritanopia (blue-blind)

#6D635A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #666a16;
/* rgb */ color: rgb(102, 106, 22);
/* oklch */ color: oklch(50.5% 0.103 112.3);

Tailwind

colors: {
  custom: {
    50: '#95945b',
    500: '#666a16',
    950: '#000000',
  },
}

SCSS

$custom: #666a16;
$custom-light: #95945b;
$custom-dark: #000000;

JSON

{
  "hex": "#666a16",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 22
  },
  "hsl": {
    "h": 62.857,
    "s": 65.625,
    "l": 25.098
  },
  "oklch": {
    "l": 0.50476,
    "c": 0.10256,
    "h": 112.3
  },
  "luminance": 0.13191
}

Semantic roles & 50–950 ramp

primary

#666A16

secondary

#403BA0

accent

#3FE947

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666A16

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

Preview Lab → · Contrast checker → · Palette generator →