#128a5c

Color #128a5c

A vivid, highly saturated dark green.

Closest named color Sea Green #2e8b57 · ΔE 4.71 Nearest Tailwind class emerald-600 #009966 · ΔE 5.1

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#128a5c

RGB

rgb(18, 138, 92)

HSL

hsl(157, 76.9%, 30.6%)

HSV / HSB

hsv(157, 87%, 54.1%)

CMYK

cmyk(87%, 0%, 33.3%, 45.9%)

LAB

lab(50.78, -42.2, 16.12)

LCH

lch(50.78, 45.17, 159.09)

OKLCH

oklch(56.1%, 0.1216, 160.39)

HWB

hwb(157, 7.1%, 45.9%)

Harmony colors

Complementary

#8a1240

Analogous

#128a20

#128a5c

#127c8a

Triadic

#128a5c

#5c128a

#8a5c12

Split-complementary

#128a5c

#8a127c

#8a2012

Tetradic

#128a5c

#12408a

#8a1240

#8a5c12

Square

#128a5c

#20128a

#8a1240

#7c8a12

Shades

Color #128a5c mixed toward black.

#0f734d

#0c5c3d

#09452e

#062e1f

#03170f

Tints

Color #128a5c mixed toward white.

#19be7f

#2ee49e

#62ebb6

#97f1cf

#cbf8e7

Tones

Color #128a5c mixed toward gray.

#1c805a

#267657

#306c55

#3a6253

#445850

Accessibility

Aa White text on this color

4.36:1

Aa Black text on this color

4.82:1

Black text reads better on this background (4.82:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5f6069 · ΔE 28.9

Deuteranopia

#59506c · ΔE 36.9

Tritanopia

#257375 · ΔE 18.4

Achromatopsia

#797979 · ΔE 24.3

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #128a5c;

Tailwind (arbitrary value)

bg-[#128a5c]

Related colors

Medium Spring Green #00fa9a

Medium Aquamarine #66cdaa

Aquamarine #7fffd4

Mint Cream #f5fffa

Spring Green #00ff7f

Medium Sea Green #3cb371

Frequently asked questions

#128a5c (#128a5c) is rgb(18, 138, 92) in RGB.

No, #128a5c is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #128a5c, or check how it holds up for accessibility.

Generate a palette → Check contrast