#665B21#665B21

#665B21 is a mid, moderate yellow. Relative luminance 0.104; OKLCH L 46.9% C 0.078 H 98.5°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#665B21
RGB	rgb(102, 91, 33)
HSL	hsl(50, 51%, 26%)
HSV	hsv(50, 68%, 40%)
CMYK	cmyk(0%, 10.8%, 67.6%, 60%)
CIE-LAB	lab(38.58, -3.26, 34.04)
CIE-LCH	lch(38.58, 34.20, 95.47°)
OKLab	oklab(46.94% -0.0116 0.0775)
OKLCH	oklch(46.94% 0.078 98.5)
XYZ	xyz(9.4955, 10.4172, 2.9491)
Luminance	0.1042 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665B21 #212C66

analogous

#663921 #665B21 #4F6621

triadic

#665B21 #21665B #5B2166

tetradic

#665B21 #216639 #212C66 #66214F

square

#665B21 #216639 #212C66 #66214F

split-complementary

#665B21 #214F66 #392166

monochromatic

#171507 #383212 #665B21 #948430 #C1AD40

Accessibility & contrast

On white

6.81

#665B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#665B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665B21

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665B21	#FFFFFF	#000000	##FFFFFF
##665B21	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64591A

Deuteranopia (green-blind)

#675D24

Tritanopia (blue-blind)

#6E544F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #665b21;
/* rgb */ color: rgb(102, 91, 33);
/* oklch */ color: oklch(46.9% 0.078 98.5);

Tailwind

colors: {
  custom: {
    50: '#94895f',
    500: '#665b21',
    950: '#000000',
  },
}

SCSS

$custom: #665b21;
$custom-light: #94895f;
$custom-dark: #000000;

JSON

{
  "hex": "#665b21",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 33
  },
  "hsl": {
    "h": 50.435,
    "s": 51.111,
    "l": 26.471
  },
  "oklch": {
    "l": 0.46942,
    "c": 0.07841,
    "h": 98.5
  },
  "luminance": 0.10417
}

Semantic roles & 50–950 ramp

primary

#665B21

secondary

#49569A

accent

#64DB4D

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B05

muted

#7E7C79

Preview Lab

Preview with #665B21

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

Preview Lab → · Contrast checker → · Palette generator →