Skip to main content
ToolsHub
#21C4AE

#21C4AE Color — #21C4AE

Complete color reference for #21C4AE: conversions to RGB, HSL, HSV, CMYK, color harmonies, shades & tints scale, and WCAG accessibility contrast ratios.

Color Format Conversions

HEX#21C4AE
RGBrgb(33, 196, 174)
HSLhsl(172, 71%, 45%)
HSVhsv(172, 83%, 77%)
CMYKC:83% M:0% Y:11% K:23%
CSS Color#21C4AE
Decimal2213038
Luminance0.4286

WCAG Accessibility Contrast

#21C4AE on White
Ratio: 2.19:1 — Fail
#21C4AE on Black
Ratio: 9.57:1 — AAA
White on #21C4AE
Ratio: 2.19:1 — Fail
Black on #21C4AE
Ratio: 9.57:1 — AAA

WCAG AA requires ≥4.5:1 (normal text) or ≥3:1 (large text). WCAG AAA requires ≥7:1.

Shades & Tints Scale

50#F4FCFB
100#DEF6F3
200#BCEDE7
300#9BE4DB
400#6FD9CA
500#21C4AE
600#1A9D8B
700#147668
800#0D4E46
900#08312C

Steps 50–400 are tints (mixed with white); 500 is the base color; 600–900 are shades (mixed with black).

Color Harmonies

Related Color Tools

Frequently Asked Questions

What is the RGB equivalent of #21C4AE?

The RGB equivalent is rgb(33, 196, 174). The red channel is 33, green is 196, and blue is 174 (scale 0–255).

What is the HSL value of #21C4AE?

The HSL value is hsl(172, 71%, 45%). Hue is 172°, saturation is 71%, and lightness is 45%.

Does #21C4AE meet WCAG accessibility standards?

On a white background, #21C4AE achieves a 2.19:1 contrast ratio (Fail). On a black background it achieves 9.57:1 (AAA). WCAG AA requires ≥4.5:1 for normal text.

What is the complementary color of #21C4AE?

The complementary color (180° opposite on the hue wheel) of #21C4AE is #C42137.