#51A5A4

Color Details

HEX
#51A5A4
RGB
rgb(81, 165, 164)
HSL
hsl(179, 34%, 48%)
CMYK
cmyk(51%, 0%, 1%, 35%)
Best text on this color #000000 (CR 7.27:1) Determined by WCAG contrast ratio

Readability Previews

Black on #51a5a4
Contrast 7.27:1 AAA
White on #51a5a4
Contrast 2.89:1 Fail
#51a5a4 on Black
Contrast 7.27:1 AAA
#51a5a4 on White
Contrast 2.89:1 Fail

Tints & Shades

#74b7b6
#97c9c8
#b9dbdb
#418483
#316362
#204242

Complement & Analogous

#a45152
#517ca4
#51a479

Triadic

#a351a4
#a4a351

Monochrome

#204242 #316362 #51a5a4 #97c9c8 #b9dbdb #dceded

Analogous

#51a479 #85bfa1 #51a5a4 #7496b6 #517ca4 #416383

Complementary Mix

#316362 #51a5a4 #97c9c8 #a45152 #c48e8f #6b3535

Nearby Colors

#51a5a3
#51a5a5
#51a594
#51a5b4

Embed #51A5A4 swatch

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About #51A5A4

#51A5A4 converts to RGB(81, 165, 164) and HSL(179, 34%, 48%). 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).

#51A5A4 FAQs

What is the RGB value of #51A5A4?
RGB: 81, 165, 164. Copy as CSS: rgb(81, 165, 164)
Is #51A5A4 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A5A4?
Complement: #a45152.
Does #51A5A4 have good contrast on white or black?
On white: 2.89:1 (Fails AA). On black: 7.27:1 (AAA (normal text)).