#399F6A

#399F6A

Color Values

HEX

#399F6A

RGB

57, 159, 106

HSL

148.8, 47.2%, 42.4%

HSV

148.8, 64.2%, 62.4%

CMYK

64.2%, 0.0%, 33.3%, 37.6%

OKLCH

0.6294 0.1241 157.0

Properties

Cool Light Nearest: seagreen

Color Harmonies

Complementary

#399F6A

#9F396E

Analogous

#3B9F39

#399F9D

#399F6A

Triadic

#399F6A

#6A399F

#9F6A39

Split Complementary

#399F6A

#9D399F

#9F393B

Tetradic

#399F6A

#393B9F

#9F396E

#9F9D39

Color Blindness Simulation

Original

#399F6A

Protanopia

#656677

Deuteranopia

#5F587A

Tritanopia

#3E8183

Achromatopsia

#858585

CSS Usage

background-color: #399F6A;
color: #399F6A;
border-color: #399F6A;
Nearest Tailwind: Emerald 600 #059669

Tailwind Shades

50
#F4FAF7
100
#E6F4ED
200
#CAECDB
300
#A5DFC1
400
#74CD9F
500
#43BC7D
600
#369664
700
#2B7850
800
#225E3F
900
#1C4530
950
#122C1E

Contrast Checker

Text on white

3.31:1

AA Fail AAA Fail

Text on black

6.34:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026