#645a13

Horses Neck

Closest match (92% match)

Color formats

RGB

rgb(100, 90, 19)

Red, Green, Blue components

HSL

hsl(53, 68%, 23%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 10, 81, 61)

Print color encoding

Luminance

0.101

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#645a13

#131d64

Analogous (Adjacent)

#643213

#645a13

#456413

Triadic

#645a13

#13645a

#5a1364

Split complementary

#645a13

#134564

#321364

Complete conversion table

HEX

#645A13

RGB

rgb(100,90,19)

RGBA

rgba(100,90,19, 1)

HSL

hsl(52.59,68.07%,23.33%)

OKLCH (Modern CSS)

oklch(0.46 0.09 100.9)

CSS Variable

--color: #645a13;

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

6.97

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.01

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#645a13#3b3a13

ORIG

SIM

Deuteranopia (green)

#645a13#454c13

ORIG

SIM

Tritanopia (blue)

#645a13#64555f

ORIG

SIM

Monochrome (color blind)

#645a13#595959

Mixing guide

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

MIXING PALETTE

63%

33%

RYB PIGMENTS

Ivory black

Pigment

63%

Cadmium yellow

Pigment

33%

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)

10.1%

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

Lucky Point

#131D64

Dell

#456413

Jambalaya

#643213

Eden

#13645A

Scarlet Gum

#5A1364

Chathams Blue

#134564

Driftwood

#9E9048

Cola

#312900