#666338#666338

#666338 is a mid, moderate yellow. Relative luminance 0.120; OKLCH L 49.2% C 0.062 H 105.0°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#666338
RGB	rgb(102, 99, 56)
HSL	hsl(56, 29%, 31%)
HSV	hsv(56, 45%, 40%)
CMYK	cmyk(0%, 2.9%, 45.1%, 60%)
CIE-LAB	lab(41.27, -5.77, 24.80)
CIE-LCH	lch(41.27, 25.46, 103.09°)
OKLab	oklab(49.17% -0.016 0.06)
OKLCH	oklch(49.17% 0.062 105)
XYZ	xyz(10.6553, 12.0343, 5.5022)
Luminance	0.1203 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666338 #383B66

analogous

#664C38 #666338 #526638

triadic

#666338 #386663 #633866

tetradic

#666338 #38664C #383B66 #663852

square

#666338 #38664C #383B66 #663852

split-complementary

#666338 #385266 #4C3866

monochromatic

#17160D #3E3D22 #666338 #8E894E #AEA96B

Accessibility & contrast

On white

6.16

#666338 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#666338 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666338

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666338	#FFFFFF	#000000	##FFFFFF
##666338	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6035

Deuteranopia (green-blind)

#6B623A

Tritanopia (blue-blind)

#6C5E59

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #666338;
/* rgb */ color: rgb(102, 99, 56);
/* oklch */ color: oklch(49.2% 0.062 105.0);

Tailwind

colors: {
  custom: {
    50: '#938f6f',
    500: '#666338',
    950: '#000000',
  },
}

SCSS

$custom: #666338;
$custom-light: #938f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#666338",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 56
  },
  "hsl": {
    "h": 56.087,
    "s": 29.114,
    "l": 30.98
  },
  "oklch": {
    "l": 0.4917,
    "c": 0.06213,
    "h": 105
  },
  "luminance": 0.12034
}

Semantic roles & 50–950 ramp

primary

#666338

secondary

#636796

accent

#69C562

background

#F9F8F6

surface

#F1F0EC

border

#CBCBC7

text

#0D0C07

muted

#7E7D7A

Preview Lab

Preview with #666338

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

Preview Lab → · Contrast checker → · Palette generator →