#665C38#665C38

#665C38 is a mid, muted yellow. Relative luminance 0.108; OKLCH L 47.5% C 0.054 H 94.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#665C38
RGBrgb(102, 92, 56)
HSLhsl(47, 29%, 31%)
HSVhsv(47, 45%, 40%)
CMYKcmyk(0%, 9.8%, 45.1%, 60%)
CIE-LABlab(39.18, -1.65, 22.16)
CIE-LCHlch(39.18, 22.22, 94.25°)
OKLaboklab(47.52% -0.0042 0.054)
OKLCHoklch(47.52% 0.054 94.4)
XYZxyz(10.0207, 10.7650, 5.2906)
Luminance0.1076 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665C38 #384266
analogous
#664538 #665C38 #596638
triadic
#665C38 #38665C #5C3866
tetradic
#665C38 #386645 #384266 #663859
square
#665C38 #386645 #384266 #663859
split-complementary
#665C38 #385966 #453866
monochromatic
#17150D #3E3822 #665C38 #8E804E #AE9F6B

Accessibility & contrast

On white

6.66
#665C38 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#665C38 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665C38
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665C38#FFFFFF#000000##FFFFFF
##665C381.006.663.156.66
#FFFFFF6.661.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635A35
Deuteranopia (green-blind)
#665E39
Tritanopia (blue-blind)
#6D5753
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #665c38;
/* rgb */ color: rgb(102, 92, 56);
/* oklch */ color: oklch(47.5% 0.054 94.4);
Tailwind
colors: {
  custom: {
    50: '#938a6f',
    500: '#665c38',
    950: '#000000',
  },
}
SCSS
$custom: #665c38;
$custom-light: #938a6f;
$custom-dark: #000000;
JSON
{
  "hex": "#665c38",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 56
  },
  "hsl": {
    "h": 46.957,
    "s": 29.114,
    "l": 30.98
  },
  "oklch": {
    "l": 0.47516,
    "c": 0.0542,
    "h": 94.4
  },
  "luminance": 0.10765
}

Semantic roles & 50–950 ramp

primary
#665C38
secondary
#636F96
accent
#78C562
background
#F9F8F6
surface
#F1F0EC
border
#CBCBC7
text
#0D0B07
muted
#7E7C7A

Preview Lab

Preview with #665C38

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

Preview Lab → · Contrast checker → · Palette generator →

#665C38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva