#399b8a

Color #399b8a

A moderately saturated medium green.

Closest named color Light Sea Green #20b2aa · ΔE 11.33 Nearest Tailwind class teal-600 #009689 · ΔE 3.4

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

Conversions

HEX

#399b8a

RGB

rgb(57, 155, 138)

HSL

hsl(169.6, 46.2%, 41.6%)

HSV / HSB

hsv(169.6, 63.2%, 60.8%)

CMYK

cmyk(63.2%, 0%, 11%, 39.2%)

LAB

lab(58.18, -32.62, 0.5)

LCH

lch(58.18, 32.62, 179.12)

OKLCH

oklch(62.8%, 0.0944, 179.51)

HWB

hwb(169.6, 22.4%, 39.2%)

Harmony colors

Complementary

#9b394a

Analogous

#399b59

#399b8a

#397b9b

Triadic

#399b8a

#8a399b

#9b8a39

Split-complementary

#399b8a

#9b397b

#9b5939

Tetradic

#399b8a

#394a9b

#9b394a

#9b8a39

Square

#399b8a

#59399b

#9b394a

#7b9b39

Shades

Color #399b8a mixed toward black.

#308173

#26675c

#1d4e45

#13342e

#0a1a17

Tints

Color #399b8a mixed toward white.

#4abca8

#6ecaba

#92d7cb

#b6e4dc

#dbf2ee

Tones

Color #399b8a mixed toward gray.

#419385

#498b7f

#52837a

#5a7a75

#62726f

Accessibility

Aa White text on this color

3.37:1

Aa Black text on this color

6.23:1

Black text reads better on this background (6.23:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#71728e · ΔE 29.6

Deuteranopia

#6b648f · ΔE 34.4

Tritanopia

#429292 · ΔE 7.4

Achromatopsia

#8c8c8c · ΔE 22.4

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

Code

CSS

background-color: #399b8a;

Tailwind (arbitrary value)

bg-[#399b8a]

Related colors

Turquoise #40e0d0

Light Sea Green #20b2aa

Medium Turquoise #48d1cc

Aquamarine #7fffd4

Medium Aquamarine #66cdaa

Aqua #00ffff

Frequently asked questions

#399b8a (#399b8a) is rgb(57, 155, 138) in RGB.

No, #399b8a is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

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

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Contrast Checker

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

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Palette Generator

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

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Build something with this color

Generate a full palette from #399b8a, or check how it holds up for accessibility.

Generate a palette → Check contrast