#666410#666410

#666410 is a mid, moderate yellow. Relative luminance 0.120; OKLCH L 49.0% C 0.099 H 108.1°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#666410
RGB	rgb(102, 100, 16)
HSL	hsl(59, 73%, 23%)
HSV	hsv(59, 84%, 40%)
CMYK	cmyk(0%, 2%, 84.3%, 60%)
CIE-LAB	lab(41.18, -9.40, 43.55)
CIE-LCH	lch(41.18, 44.56, 102.18°)
OKLab	oklab(48.97% -0.0309 0.0944)
OKLCH	oklch(48.97% 0.099 108.1)
XYZ	xyz(10.1306, 11.9769, 2.2682)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666410 #101266

analogous

#663910 #666410 #3D6610

triadic

#666410 #106664 #641066

tetradic

#666410 #106639 #101266 #66103D

square

#666410 #106639 #101266 #66103D

split-complementary

#666410 #103D66 #391066

monochromatic

#1A1A04 #313008 #666410 #9B9818 #D0CC21

Accessibility & contrast

On white

6.18

#666410 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#666410 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666410

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666410	#FFFFFF	#000000	##FFFFFF
##666410	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6000

Deuteranopia (green-blind)

#6E6218

Tritanopia (blue-blind)

#6E5D55

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #666410;
/* rgb */ color: rgb(102, 100, 16);
/* oklch */ color: oklch(49.0% 0.099 108.1);

Tailwind

colors: {
  custom: {
    50: '#958f57',
    500: '#666410',
    950: '#000000',
  },
}

SCSS

$custom: #666410;
$custom-light: #958f57;
$custom-dark: #000000;

JSON

{
  "hex": "#666410",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 16
  },
  "hsl": {
    "h": 58.605,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.48971,
    "c": 0.09929,
    "h": 108.1
  },
  "luminance": 0.11977
}

Semantic roles & 50–950 ramp

primary

#666410

secondary

#33369E

accent

#3CF038

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0E0C03

muted

#7E7D78

Preview Lab

Preview with #666410

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

Preview Lab → · Contrast checker → · Palette generator →