#666310#666310

#666310 is a mid, moderate yellow. Relative luminance 0.118; OKLCH L 48.7% C 0.098 H 107.3°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#666310
RGB	rgb(102, 99, 16)
HSL	hsl(58, 73%, 23%)
HSV	hsv(58, 84%, 40%)
CMYK	cmyk(0%, 2.9%, 84.3%, 60%)
CIE-LAB	lab(40.87, -8.83, 43.29)
CIE-LCH	lch(40.87, 44.18, 101.53°)
OKLab	oklab(48.73% -0.0293 0.0938)
OKLCH	oklch(48.73% 0.098 107.3)
XYZ	xyz(10.0353, 11.7862, 2.2365)
Luminance	0.1179 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666310 #101366

analogous

#663810 #666310 #3E6610

triadic

#666310 #106663 #631066

tetradic

#666310 #106638 #101366 #66103E

square

#666310 #106638 #101366 #66103E

split-complementary

#666310 #103E66 #381066

monochromatic

#1A1A04 #313008 #666310 #9B9618 #D0CA21

Accessibility & contrast

On white

6.26

#666310 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#666310 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666310

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666310	#FFFFFF	#000000	##FFFFFF
##666310	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C5F00

Deuteranopia (green-blind)

#6E6217

Tritanopia (blue-blind)

#6E5C54

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #666310;
/* rgb */ color: rgb(102, 99, 16);
/* oklch */ color: oklch(48.7% 0.098 107.3);

Tailwind

colors: {
  custom: {
    50: '#958f57',
    500: '#666310',
    950: '#000000',
  },
}

SCSS

$custom: #666310;
$custom-light: #958f57;
$custom-dark: #000000;

JSON

{
  "hex": "#666310",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 16
  },
  "hsl": {
    "h": 57.907,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.48727,
    "c": 0.09825,
    "h": 107.3
  },
  "luminance": 0.11786
}

Semantic roles & 50–950 ramp

primary

#666310

secondary

#33379E

accent

#3FF038

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0E0C03

muted

#7E7D78

Preview Lab

Preview with #666310

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

Preview Lab → · Contrast checker → · Palette generator →