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#21CAC1 Color

#21CAC1 is rgb(33, 202, 193) in RGB, hsl(177, 72%, 46%) in HSL, and about cmyk(84%, 0%, 4%, 21%) in CMYK. It has no registered color name of its own — the closest is Robin Egg Blue (#00CCCC), clearly related but distinguishable side by side at ΔE 5. Black text is the more readable choice on this background.

#21CAC1
HEX#21CAC1
RGBrgb(33, 202, 193)
HSLhsl(177, 72%, 46%)
HSVhsv(177, 84%, 79%)
CMYKcmyk(84%, 0%, 4%, 21%)
OKLCHoklch(75.9% 0.127 189)
LABlab(73.49% -43.05 -7.69)
LCHlch(73.49% 43.74 190.13)

What #21CAC1 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #21CAC1, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Robin Egg Blue#00CCCCΔE 5Medium Turquoise#48D1CCΔE 5.34Tiffany Blue#0ABAB5ΔE 6.05Dark Turquoise#00CED1ΔE 6.72Maximum Blue Green#30BFBFΔE 7.21Turquoise#40E0D0ΔE 8.32

Browse the full index of named colors A-Z or every teal in the library.

#21CAC1 Channel Values

How #21CAC1 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 33 · G 202 · B 1938-bit channels as sent to the display
HSLH 177° · S 72% · L 46%Easiest model for building lighter and darker variants
HSVH 177° · S 84% · V 79%Matches the picker in most design tools
CMYKC 84% · M 0% · Y 4% · K 21%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.04:1 vs white · 10.28:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #21CAC1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text2.04:1AA normal AA large AAA normal
TextBlack text10.28:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #21CAC1 in the contrast checker.

Colors That Go With #21CAC1

Pairings derived from color-wheel relationships. The complementary color sits opposite #21CAC1; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#21CAC1
Complementary
#CA2129
Analogous
#21CA6D
Analogous
#217ECA
Triadic
#C121CA
Triadic
#CAC121
Split comp.
#CA217E
Split comp.
#CA6D21

Tints & Shades of #21CAC1

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#31DDD5
#54E3DC
#73E8E2
#96EEE9
#B4F3F0
#D8F9F7

Shades

#1DAFA8
#18958F
#147B76
#10605C
#0B4643
#072C2A

Want a full 50-950 ramp with semantic roles? Generate design tokens from #21CAC1.

How #21CAC1 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#21CAC1
Protanopia#BABAC1
Protanomaly#95C1C1
Deuteranopia#AAAAC4
Deuteranomaly#88B8C3
Tritanopia#29C9C9
Tritanomaly#26C9C6
Achromatopsia#B5B5B5

Test a full palette in the color blindness simulator.

Using #21CAC1 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-21cac1: #21CAC1;
CSS backgroundbackground-color: #21CAC1;
Tailwind configcolors: { 'color-21cac1': '#21CAC1' }
SwiftUIColor(red: 0.129, green: 0.792, blue: 0.757)
Android XML<color name="color_21cac1">#21CAC1</color>
SVG fillfill="#21CAC1"

More Teal Colors

#21CAC1 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#21CAC1 Frequently Asked Questions

What color is #21CAC1?

#21CAC1 is a mid-tone teal — rgb(33, 202, 193) in RGB and hsl(177, 72%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Robin Egg Blue (#00CCCC), which is clearly related but distinguishable side by side at a CIE76 distance of 5.

What is the RGB value of #21CAC1?

#21CAC1 is rgb(33, 202, 193) — red 33, green 202, and blue 193 on the 0-255 scale.

What is the CMYK value of #21CAC1?

#21CAC1 converts to approximately cmyk(84%, 0%, 4%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #21CAC1 be black or white?

Black text is the more readable choice. #21CAC1 scores 2.04:1 against white and 10.28:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #21CAC1 as a CSS color keyword?

No. #21CAC1 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is mediumturquoise (#48D1CC) at a CIE76 distance of 5.34, which is clearly related but distinguishable side by side.

Open #21CAC1 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.