#665B10#665B10

#665B10 is a mid, moderate yellow. Relative luminance 0.103; OKLCH L 46.8% C 0.091 H 100.4°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#665B10
RGB	rgb(102, 91, 16)
HSL	hsl(52, 73%, 23%)
HSV	hsv(52, 84%, 40%)
CMYK	cmyk(0%, 10.8%, 84.3%, 60%)
CIE-LAB	lab(38.45, -4.20, 41.15)
CIE-LCH	lch(38.45, 41.36, 95.82°)
OKLab	oklab(46.8% -0.0163 0.0892)
OKLCH	oklch(46.8% 0.091 100.4)
XYZ	xyz(9.3146, 10.3448, 1.9962)
Luminance	0.1034 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665B10 #101B66

analogous

#663010 #665B10 #466610

triadic

#665B10 #10665B #5B1066

tetradic

#665B10 #106630 #101B66 #661046

square

#665B10 #106630 #101B66 #661046

split-complementary

#665B10 #104666 #301066

monochromatic

#1A1804 #312C08 #665B10 #9B8A18 #D0B921

Accessibility & contrast

On white

6.84

#665B10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#665B10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665B10

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665B10	#FFFFFF	#000000	##FFFFFF
##665B10	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655800

Deuteranopia (green-blind)

#685C16

Tritanopia (blue-blind)

#6F544D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #665b10;
/* rgb */ color: rgb(102, 91, 16);
/* oklch */ color: oklch(46.8% 0.091 100.4);

Tailwind

colors: {
  custom: {
    50: '#958956',
    500: '#665b10',
    950: '#000000',
  },
}

SCSS

$custom: #665b10;
$custom-light: #958956;
$custom-dark: #000000;

JSON

{
  "hex": "#665b10",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 16
  },
  "hsl": {
    "h": 52.326,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.46802,
    "c": 0.09067,
    "h": 100.4
  },
  "luminance": 0.10344
}

Semantic roles & 50–950 ramp

primary

#665B10

secondary

#33419E

accent

#50F038

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B03

muted

#7E7C78

Preview Lab

Preview with #665B10

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

Preview Lab → · Contrast checker → · Palette generator →