#666E16#666E16

#666E16 is a mid, moderate yellow. Relative luminance 0.140; OKLCH L 51.5% C 0.107 H 114.9°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#666E16
RGB	rgb(102, 110, 22)
HSL	hsl(65, 67%, 26%)
HSV	hsv(65, 80%, 43%)
CMYK	cmyk(7.3%, 0%, 80%, 56.9%)
CIE-LAB	lab(44.28, -14.71, 44.36)
CIE-LCH	lch(44.28, 46.73, 108.34°)
OKLab	oklab(51.46% -0.0451 0.0973)
OKLCH	oklch(51.46% 0.107 114.9)
XYZ	xyz(11.2006, 14.0348, 2.8779)
Luminance	0.1404 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E16 #1E166E

analogous

#6E4A16 #666E16 #3A6E16

triadic

#666E16 #16666E #6E1666

tetradic

#666E16 #166E4A #1E166E #6E163A

square

#666E16 #166E4A #1E166E #6E163A

split-complementary

#666E16 #163A6E #4A166E

monochromatic

#181A05 #373B0C #666E16 #95A120 #C5D42A

Accessibility & contrast

On white

5.52

#666E16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#666E16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E16

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E16	#FFFFFF	#000000	##FFFFFF
##666E16	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766801

Deuteranopia (green-blind)

#76691E

Tritanopia (blue-blind)

#6D675E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e16;
/* rgb */ color: rgb(102, 110, 22);
/* oklch */ color: oklch(51.5% 0.107 114.9);

Tailwind

colors: {
  custom: {
    50: '#95975b',
    500: '#666e16',
    950: '#000000',
  },
}

SCSS

$custom: #666e16;
$custom-light: #95975b;
$custom-dark: #000000;

JSON

{
  "hex": "#666e16",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 22
  },
  "hsl": {
    "h": 65.455,
    "s": 66.667,
    "l": 25.882
  },
  "oklch": {
    "l": 0.51464,
    "c": 0.10722,
    "h": 114.9
  },
  "luminance": 0.14035
}

Semantic roles & 50–950 ramp

primary

#666E16

secondary

#453CA4

accent

#3EEA4E

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666E16

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

Preview Lab → · Contrast checker → · Palette generator →