#666C12#666C12

#666C12 is a mid, moderate yellow. Relative luminance 0.136; OKLCH L 50.9% C 0.107 H 113.6°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#666C12
RGB	rgb(102, 108, 18)
HSL	hsl(64, 71%, 25%)
HSV	hsv(64, 83%, 42%)
CMYK	cmyk(5.6%, 0%, 83.3%, 57.6%)
CIE-LAB	lab(43.64, -13.78, 45.10)
CIE-LCH	lch(43.64, 47.16, 107.00°)
OKLab	oklab(50.95% -0.0429 0.0981)
OKLCH	oklch(50.95% 0.107 113.6)
XYZ	xyz(10.9516, 13.5938, 2.6191)
Luminance	0.1359 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666C12 #18126C

analogous

#6C4512 #666C12 #396C12

triadic

#666C12 #12666C #6C1266

tetradic

#666C12 #126C45 #18126C #6C1239

square

#666C12 #126C45 #18126C #6C1239

split-complementary

#666C12 #12396C #45126C

monochromatic

#191A04 #343809 #666C12 #98A01B #C9D523

Accessibility & contrast

On white

5.65

#666C12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#666C12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666C12

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666C12	#FFFFFF	#000000	##FFFFFF
##666C12	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756600

Deuteranopia (green-blind)

#75681B

Tritanopia (blue-blind)

#6D655C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666c12;
/* rgb */ color: rgb(102, 108, 18);
/* oklch */ color: oklch(50.9% 0.107 113.6);

Tailwind

colors: {
  custom: {
    50: '#959559',
    500: '#666c12',
    950: '#000000',
  },
}

SCSS

$custom: #666c12;
$custom-light: #959559;
$custom-dark: #000000;

JSON

{
  "hex": "#666c12",
  "rgb": {
    "r": 102,
    "g": 108,
    "b": 18
  },
  "hsl": {
    "h": 64,
    "s": 71.429,
    "l": 24.706
  },
  "oklch": {
    "l": 0.50946,
    "c": 0.10705,
    "h": 113.6
  },
  "luminance": 0.13594
}

Semantic roles & 50–950 ramp

primary

#666C12

secondary

#3E36A3

accent

#3AEE46

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0E0D04

muted

#7E7E79

Preview Lab

Preview with #666C12

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

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