#51A7A4

Color Details

HEX
#51A7A4
RGB
rgb(81, 167, 164)
HSL
hsl(178, 35%, 49%)
CMYK
cmyk(51%, 0%, 2%, 35%)
Best text on this color #000000 (CR 7.41:1) Determined by WCAG contrast ratio

Readability Previews

Black on #51a7a4
Contrast 7.41:1 AAA
White on #51a7a4
Contrast 2.83:1 Fail
#51a7a4 on Black
Contrast 7.41:1 AAA
#51a7a4 on White
Contrast 2.83:1 Fail

Tints & Shades

#74b9b6
#97cac8
#b9dcdb
#418683
#316462
#204342

Complement & Analogous

#a95154
#5180a9
#51a97a

Triadic

#a651a9
#a9a651

Monochrome

#204342 #316462 #51a7a4 #97cac8 #b9dcdb #dceded

Analogous

#51a97a #85c3a2 #51a7a4 #7499ba #5180a9 #416687

Complementary Mix

#316462 #51a7a4 #97cac8 #a95154 #c78e90 #6e3537

Nearby Colors

#51a7a3
#51a7a5
#51a794
#51a7b4

Embed #51A7A4 swatch

Embed this swatch

Use this HTML on your site (free with a link):

Open image

About #51A7A4

#51A7A4 converts to RGB(81, 167, 164) and HSL(178, 35%, 49%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.

Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).

#51A7A4 FAQs

What is the RGB value of #51A7A4?
RGB: 81, 167, 164. Copy as CSS: rgb(81, 167, 164)
Is #51A7A4 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A7A4?
Complement: #a95154.
Does #51A7A4 have good contrast on white or black?
On white: 2.83:1 (Fails AA). On black: 7.41:1 (AAA (normal text)).