#665b1b

Himalaya

Closest match (99% match)

Color formats

RGB

rgb(102, 91, 27)

Red, Green, Blue components

HSL

hsl(51, 58%, 25%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 11, 74, 60)

Print color encoding

Luminance

0.104

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#665b1b

#1b2666

Analogous (Adjacent)

#66351b

#665b1b

#4b661b

Triadic

#665b1b

#1b665b

#5b1b66

Split complementary

#665b1b

#1b4b66

#351b66

Complete conversion table

HEX

#665B1B

RGB

rgb(102,91,27)

RGBA

rgba(102,91,27, 1)

HSL

hsl(51.2,58.14%,25.29%)

OKLCH (Modern CSS)

oklch(0.47 0.08 99.3)

CSS Variable

--color: #665b1b;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

6.82

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.08

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#665b1b#3f3e1b

ORIG

SIM

Deuteranopia (green)

#665b1b#494f1b

ORIG

SIM

Tritanopia (blue)

#665b1b#655760

ORIG

SIM

Monochrome (color blind)

#665b1b#5b5b5b

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

63%

32%

RYB PIGMENTS

Ivory black

Pigment

63%

Cadmium yellow

Pigment

32%

Cadmium red

Pigment

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Yellow hue

570–590 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Warm

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

10.4%

Dark • relative luminance

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

Ayahuasca Vine

#665500

The Devil’s Grass

#666420

Reptile Revenge

#5E582B

Himalaya

#736330

Biscay

#1B2666

Fern Frond

#4B661B

Espresso

#66351B

Green Pea

#1B665B

Honey Flower

#5B1B66

Biscay

#1B4B66

Limed Oak

#A0914F

Cola

#332A00