#21FDF5 Color

#21FDF5 is rgb(33, 253, 245) in RGB and hsl(178, 98%, 56%) in HSL. The closest CSS named color is Aqua. Black text is most readable on this background.

#21FDF5

HEX#21FDF5

RGBrgb(33, 253, 245)

HSLhsl(178, 98%, 56%)

HSVhsv(178, 87%, 99%)

OKLCHoklch(89.9% 0.151 190.6)

CMYKcmyk(87%, 0%, 3%, 1%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21FDF5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.28:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text16.43:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21FDF5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21FDF5 Complementary#FD2128 Analogous#21FD87 Analogous#2196FD Triadic#F521FD Triadic#FDF521

Tints & Shades

Lighter tints and darker shades of #21FDF5, useful for hover states, backgrounds, and text variants.

Tints

#3FFDF7 #5DFDF8 #7CFEF9 #9AFEFB #B8FEFC #D7FFFD

Shades

#02F7EF #02CFC8 #02ACA6 #01837F #01605D #013836

Use #21FDF5 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex