#40af63

Chateau Green

Closest match (98% match)

Color formats

RGB

rgb(64, 175, 99)

Red, Green, Blue components

HSL

hsl(139, 46%, 47%)

Hue, Saturation, Lightness

CMYK

cmyk(63, 0, 43, 31)

Print color encoding

Luminance

0.327

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#40af63

#af408c

Analogous (Adjacent)

#55af40

#40af63

#40af9a

Triadic

#40af63

#6340af

#af6340

Split complementary

#40af63

#9a40af

#af4055

Complete conversion table

HEX

#40AF63

RGB

rgb(64,175,99)

RGBA

rgba(64,175,99, 1)

HSL

hsl(138.92,46.44%,46.86%)

OKLCH (Modern CSS)

oklch(0.67 0.15 150.6)

CSS Variable

--color: #40af63;

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

2.79

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

7.53

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#40af63#8e8d63

ORIG

SIM

Deuteranopia (green)

#40af63#4c4b63

ORIG

SIM

Tritanopia (blue)

#40af63#466e7b

ORIG

SIM

Monochrome (color blind)

#40af63#979c98

Mixing guide

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

MIXING PALETTE

51%

37%

13%

RYB PIGMENTS

Ultramarine blue

Pigment

51%

Cadmium yellow

Pigment

37%

Ivory black

Pigment

13%

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)

32.7%

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.

Green Mana

#26B467

Turtle Warrior

#35B76D

Leapfrog

#41A94F

Secret Garden

#11AA66

Rouge

#AF408C

Keppel

#40AF9A

Apple

#55AF40

Royal Purple

#6340AF

Brown Rust

#AF6340

Vivid Violet

#9A40AF

Pastel Green

#7FEC9B

Fun Green

#00752F