#1B5B40

#1B5B40

Color Values

HEX

#1B5B40

RGB

27, 91, 64

HSL

154.7, 54.2%, 23.1%

HSV

154.7, 70.3%, 35.7%

CMYK

70.3%, 0.0%, 29.7%, 64.3%

OKLCH

0.4228 0.0791 161.6

Properties

Cool Dark Nearest: RAL 6016 Turquoise Green

Color Harmonies

Complementary

#1B5B40

#5B1B36

Analogous

#1B5B20

#1B565B

#1B5B40

Triadic

#1B5B40

#401B5B

#5B401B

Split Complementary

#1B5B40

#5B1B56

#5B201B

Tetradic

#1B5B40

#201B5B

#5B1B36

#565B1B

Color Blindness Simulation

Original

#1B5B40

Protanopia

#373747

Deuteranopia

#332E48

Tritanopia

#1E4C4D

Achromatopsia

#4B4B4B

CSS Usage

background-color: #1B5B40;
color: #1B5B40;
border-color: #1B5B40;
Nearest Tailwind: Emerald 800 #065F46

Tailwind Shades

50
#F4FBF8
100
#E5F5EE
200
#C8EFDE
300
#A1E3C7
400
#6ED4A9
500
#3AC58A
600
#2F9D6F
700
#257E59
800
#1D6245
900
#194834
950
#102E21

Contrast Checker

Text on white

8.02:1

AA Pass AAA Pass

Text on black

2.62:1

AA Fail 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