#bb4308

Rock Spray

Closest match (100% match)

Color formats

RGB

rgb(187, 67, 8)

Red, Green, Blue components

HSL

hsl(20, 92%, 38%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 64, 96, 27)

Print color encoding

Luminance

0.146

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#bb4308

#0880bb

Analogous (Adjacent)

#bb0826

#bb4308

#bb9c08

Triadic

#bb4308

#08bb43

#4308bb

Split complementary

#bb4308

#08bb9d

#0826bb

Complete conversion table

HEX

#BB4308

RGB

rgb(187,67,8)

RGBA

rgba(187,67,8, 1)

HSL

hsl(19.78,91.79%,38.24%)

OKLCH (Modern CSS)

oklch(0.54 0.17 40.4)

CSS Variable

--color: #bb4308;

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

5.36

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.92

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#bb4308#292808

ORIG

SIM

Deuteranopia (green)

#bb4308#778508

ORIG

SIM

Tritanopia (blue)

#bb4308#b5707b

ORIG

SIM

Monochrome (color blind)

#bb4308#846456

Mixing guide

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

MIXING PALETTE

50%

25%

RYB PIGMENTS

Cadmium red

Pigment

50%

Cadmium yellow

Pigment

25%

Ivory black

Pigment

25%

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

Orange hue

590–620 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)

14.6%

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.

Copper Hopper

#BF4000

Mahogany

#C04000

Bolognese

#BB4400

Vinaceous Tawny

#C74300

Lochmara

#0880BB

Buddha Gold

#BB9C08

Shiraz

#BB0827

Malachite

#08BB43

Purple

#4308BB

Caribbean Green

#08BB9D

Coral

#FF7C42

Maroon

#7A0000