#51A3A4

Color Details

HEX
#51A3A4
RGB
rgb(81, 163, 164)
HSL
hsl(181, 34%, 48%)
CMYK
cmyk(51%, 1%, 0%, 36%)
Best text on this color #000000 (CR 7.12:1) Determined by WCAG contrast ratio

Readability Previews

Black on #51a3a4
Contrast 7.12:1 AAA
White on #51a3a4
Contrast 2.95:1 Fail
#51a3a4 on Black
Contrast 7.12:1 AAA
#51a3a4 on White
Contrast 2.95:1 Fail

Tints & Shades

#74b5b6
#97c8c8
#b9dadb
#418283
#316262
#204142

Complement & Analogous

#a45251
#5179a4
#51a47c

Triadic

#a451a3
#a3a451

Monochrome

#204142 #316262 #51a3a4 #97c8c8 #b9dadb #dceded

Analogous

#51a47c #85bfa3 #51a3a4 #7494b6 #5179a4 #416183

Complementary Mix

#316262 #51a3a4 #97c8c8 #a45251 #c48f8e #6b3535

Nearby Colors

#51a3a3
#51a3a5
#51a394
#51a3b4

Embed #51A3A4 swatch

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About #51A3A4

#51A3A4 converts to RGB(81, 163, 164) and HSL(181, 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).

#51A3A4 FAQs

What is the RGB value of #51A3A4?
RGB: 81, 163, 164. Copy as CSS: rgb(81, 163, 164)
Is #51A3A4 a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #51A3A4?
Complement: #a45251.
Does #51A3A4 have good contrast on white or black?
On white: 2.95:1 (Fails AA). On black: 7.12:1 (AAA (normal text)).