#287d37

Sea Green

Closest match (93% match)

Color formats

RGB

rgb(40, 125, 55)

Red, Green, Blue components

HSL

hsl(131, 52%, 32%)

Hue, Saturation, Lightness

CMYK

cmyk(68, 0, 56, 51)

Print color encoding

Luminance

0.154

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#287d37

#7d286e

Analogous (Adjacent)

#437d28

#287d37

#287d62

Triadic

#287d37

#37287d

#7d3728

Split complementary

#287d37

#62287d

#7d2843

Complete conversion table

HEX

#287D37

RGB

rgb(40,125,55)

RGBA

rgba(40,125,55, 1)

HSL

hsl(130.59,51.52%,32.35%)

OKLCH (Modern CSS)

oklch(0.52 0.13 146.5)

CSS Variable

--color: #287d37;

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

5.15

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

4.08

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#287d37#5e5e37

ORIG

SIM

Deuteranopia (green)

#287d37#2d2d37

ORIG

SIM

Tritanopia (blue)

#287d37#2c4c55

ORIG

SIM

Monochrome (color blind)

#287d37#6d6d6d

Mixing guide

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

MIXING PALETTE

51%

26%

22%

RYB PIGMENTS

Ivory black

Pigment

51%

Ultramarine blue

Pigment

26%

Cadmium yellow

Pigment

22%

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)

15.4%

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.

Lush Paradise

#2E7D32

Pharmaceutical Green

#087E34

Forestial

#007733

Broccoli Paradise

#008833

Plum

#7D286E

Eucalyptus

#287D62

Fern Frond

#437D28

Minsk

#37287D

Nutmeg

#7D3728

Eminence

#62287D

Fern

#65B76C

Crusoe

#004703