#287c43

Sea Green

Closest match (94% match)

Color formats

RGB

rgb(40, 124, 67)

Red, Green, Blue components

HSL

hsl(139, 51%, 32%)

Hue, Saturation, Lightness

CMYK

cmyk(68, 0, 46, 51)

Print color encoding

Luminance

0.153

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#287c43

#7c2861

Analogous (Adjacent)

#377c28

#287c43

#287c6d

Triadic

#287c43

#43287c

#7c4328

Split complementary

#287c43

#6d287c

#7c2837

Complete conversion table

HEX

#287C43

RGB

rgb(40,124,67)

RGBA

rgba(40,124,67, 1)

HSL

hsl(139.29,51.22%,32.16%)

OKLCH (Modern CSS)

oklch(0.52 0.12 150.5)

CSS Variable

--color: #287c43;

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

5.18

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.05

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#287c43#636243

ORIG

SIM

Deuteranopia (green)

#287c43#323043

ORIG

SIM

Tritanopia (blue)

#287c43#2c4b55

ORIG

SIM

Monochrome (color blind)

#287c43#6d6d6d

Mixing guide

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

MIXING PALETTE

52%

28%

20%

RYB PIGMENTS

Ivory black

Pigment

52%

Ultramarine blue

Pigment

28%

Cadmium yellow

Pigment

20%

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

Green hue

495–570 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Neutral

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

Cool

Neutral

Warm

Luminance (brightness)

15.3%

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.

Bold Irish

#2A814D

Woodland Soul

#127A49

Gale of the Wind

#007844

Succulents

#007744

Plum

#7C2861

Lochinvar

#287C6D

Forest Green

#377C28

Minsk

#43287C

Nutmeg

#7C4328

Eminence

#6D287C

Fern

#64B678

Crusoe

#004612