#ff4200

Vermilion

Closest match (98% match)

Color formats

RGB

rgb(255, 66, 0)

Red, Green, Blue components

HSL

hsl(16, 100%, 50%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 74, 100, 0)

Print color encoding

Luminance

0.252

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#ff4200

#00bdff

Analogous (Adjacent)

#ff003d

#ff4200

#ffc200

Triadic

#ff4200

#00ff42

#4200ff

Split complementary

#ff4200

#00ffc2

#003dff

Complete conversion table

HEX

#FF4200

RGB

rgb(255,66,0)

RGBA

rgba(255,66,0, 1)

HSL

hsl(15.53,100%,50%)

OKLCH (Modern CSS)

oklch(0.66 0.23 34.9)

CSS Variable

--color: #ff4200;

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

3.48

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

6.03

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#ff4200#252400

ORIG

SIM

Deuteranopia (green)

#ff4200#9eb300

ORIG

SIM

Tritanopia (blue)

#ff4200#f68d9b

ORIG

SIM

Monochrome (color blind)

#ff4200#c87356

Mixing guide

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

MIXING PALETTE

74%

26%

RYB PIGMENTS

Cadmium red

Pigment

74%

Cadmium yellow

Pigment

26%

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)

25.2%

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.

Inferno Orange

#FF4400

Dragon Fire

#FC4A14

Coin Slot

#FF4411

Coquelicot

#FF3800

Cerulean

#00BDFF

Amber

#FFC200

Torch Red

#FF003D

Malachite

#00FF42

Blue

#4200FF

Bright Turquoise

#00FFC2

Coral

#FF8343

Guardsman Red

#B70000