#666511#666511

#666511 is a mid, moderate yellow. Relative luminance 0.122; OKLCH L 49.2% C 0.100 H 108.8°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#666511
RGB	rgb(102, 101, 17)
HSL	hsl(59, 71%, 23%)
HSV	hsv(59, 83%, 40%)
CMYK	cmyk(0%, 1%, 83.3%, 60%)
CIE-LAB	lab(41.49, -9.92, 43.51)
CIE-LCH	lch(41.49, 44.63, 102.85°)
OKLab	oklab(49.22% -0.0322 0.0945)
OKLCH	oklch(49.22% 0.1 108.8)
XYZ	xyz(10.2348, 12.1729, 2.3407)
Luminance	0.1217 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666511 #111266

analogous

#663A11 #666511 #3C6611

triadic

#666511 #116665 #651166

tetradic

#666511 #11663A #111266 #66113C

square

#666511 #11663A #111266 #66113C

split-complementary

#666511 #113C66 #3A1166

monochromatic

#1A1A04 #323108 #666511 #9A991A #CFCD22

Accessibility & contrast

On white

6.11

#666511 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#666511 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666511

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666511	#FFFFFF	#000000	##FFFFFF
##666511	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6000

Deuteranopia (green-blind)

#6F6319

Tritanopia (blue-blind)

#6E5E56

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #666511;
/* rgb */ color: rgb(102, 101, 17);
/* oklch */ color: oklch(49.2% 0.100 108.8);

Tailwind

colors: {
  custom: {
    50: '#959058',
    500: '#666511',
    950: '#000000',
  },
}

SCSS

$custom: #666511;
$custom-light: #959058;
$custom-dark: #000000;

JSON

{
  "hex": "#666511",
  "rgb": {
    "r": 102,
    "g": 101,
    "b": 17
  },
  "hsl": {
    "h": 59.294,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.4922,
    "c": 0.09982,
    "h": 108.8
  },
  "luminance": 0.12173
}

Semantic roles & 50–950 ramp

primary

#666511

secondary

#35369E

accent

#3CEE3A

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0E0C04

muted

#7E7D79

Preview Lab

Preview with #666511

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

Preview Lab → · Contrast checker → · Palette generator →