#f4581e

Prometheus Orange

ReadyTools Database (Exact)

Flamingo

~97% match

Color formats

RGB

rgb(244, 88, 30)

Red, Green, Blue components

HSL

hsl(16, 91%, 54%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 64, 88, 4)

Print color encoding

Luminance

0.263

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#f4581e

#1ebaf4

Analogous (Adjacent)

#f41e4f

#f4581e

#f4c31e

Triadic

#f4581e

#1ef458

#581ef4

Split complementary

#f4581e

#1ef4c3

#1e4ff4

Complete conversion table

HEX

#F4581E

RGB

rgb(244,88,30)

RGBA

rgba(244,88,30, 1)

HSL

hsl(16.26,90.68%,53.73%)

OKLCH (Modern CSS)

oklch(0.66 0.20 38.2)

CSS Variable

--color: #f4581e;

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

3.35

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

6.26

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#f4581e#3e3e1e

ORIG

SIM

Deuteranopia (green)

#f4581e#a2b41e

ORIG

SIM

Tritanopia (blue)

#f4581e#ec92a1

ORIG

SIM

Monochrome (color blind)

#f4581e#ba7e68

Mixing guide

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

MIXING PALETTE

67%

25%

RYB PIGMENTS

Cadmium red

Pigment

67%

Cadmium yellow

Pigment

25%

Titanium white

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

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)

26.3%

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.

Plastic Carrot

#F65D20

Fiery Glow

#F0531C

Carrot Lava

#FC5A1F

Orangealicious

#EE5511

Dodger Blue

#1EBAF4

Ripe Lemon

#F4C31E

Red Ribbon

#F41E4F

Malachite

#1EF458

Electric Violet

#581EF4

Bright Turquoise

#1EF4C3

Atomic Tangerine

#FF9456

Bright Red

#AE1200