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#1BBBA3 Color

#1BBBA3 is rgb(27, 187, 163) in RGB, hsl(171, 75%, 42%) in HSL, and about cmyk(86%, 0%, 13%, 27%) in CMYK. It has no registered color name of its own — the closest is Keppel (#3AB09E), clearly related but distinguishable side by side at ΔE 7.69. Black text is the more readable choice on this background.

#1BBBA3
HEX#1BBBA3
RGBrgb(27, 187, 163)
HSLhsl(171, 75%, 42%)
HSVhsv(171, 86%, 73%)
CMYKcmyk(86%, 0%, 13%, 27%)
OKLCHoklch(71.1% 0.126 178.8)
LABlab(68.09% -44.22 0.67)
LCHlch(68.09% 44.23 179.13)

What #1BBBA3 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 #1BBBA3, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Keppel#3AB09EΔE 7.69Persian Green#00A693ΔE 8.02Jungle Green#29AB87ΔE 9.52Light Sea Green#20B2AAΔE 9.66Zomp#39A78EΔE 9.86Mountain Meadow#30BA8FΔE 10.39

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

#1BBBA3 Channel Values

How #1BBBA3 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 27 · G 187 · B 1638-bit channels as sent to the display
HSLH 171° · S 75% · L 42%Easiest model for building lighter and darker variants
HSVH 171° · S 86% · V 73%Matches the picker in most design tools
CMYKC 86% · M 0% · Y 13% · K 27%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.42:1 vs white · 8.68:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1BBBA3 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 text2.42:1AA normal AA large AAA normal
TextBlack text8.68:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1BBBA3 in the contrast checker.

Colors That Go With #1BBBA3

Pairings derived from color-wheel relationships. The complementary color sits opposite #1BBBA3; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1BBBA3
Complementary
#BB1B33
Analogous
#1BBB53
Analogous
#1B83BB
Triadic
#A31BBB
Triadic
#BBA31B
Split comp.
#BB1B83
Split comp.
#BB531B

Tints & Shades of #1BBBA3

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

#20DFC2
#44E4CC
#67E9D6
#8BEEE0
#AFF4E9
#D2F9F3

Shades

#18A590
#148A79
#117465
#0D594E
#0A433A
#062823

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1BBBA3.

How #1BBBA3 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#1BBBA3
Protanopia#ACACA3
Protanomaly#8AB2A3
Deuteranopia#9D9DA6
Deuteranomaly#7DAAA5
Tritanopia#2EB8B8
Tritanomaly#28B9B0
Achromatopsia#A7A7A7

Test a full palette in the color blindness simulator.

Using #1BBBA3 in Code

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

CSS custom property--color-1bbba3: #1BBBA3;
CSS backgroundbackground-color: #1BBBA3;
Tailwind configcolors: { 'color-1bbba3': '#1BBBA3' }
SwiftUIColor(red: 0.106, green: 0.733, blue: 0.639)
Android XML<color name="color_1bbba3">#1BBBA3</color>
SVG fillfill="#1BBBA3"

More Teal Colors

#1BBBA3 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#1BBBA3 Frequently Asked Questions

What color is #1BBBA3?

#1BBBA3 is a mid-tone teal — rgb(27, 187, 163) in RGB and hsl(171, 75%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Keppel (#3AB09E), which is clearly related but distinguishable side by side at a CIE76 distance of 7.69.

What is the RGB value of #1BBBA3?

#1BBBA3 is rgb(27, 187, 163) — red 27, green 187, and blue 163 on the 0-255 scale.

What is the CMYK value of #1BBBA3?

#1BBBA3 converts to approximately cmyk(86%, 0%, 13%, 27%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1BBBA3 be black or white?

Black text is the more readable choice. #1BBBA3 scores 2.42:1 against white and 8.68:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1BBBA3 as a CSS color keyword?

No. #1BBBA3 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 lightseagreen (#20B2AA) at a CIE76 distance of 9.66, which is clearly related but distinguishable side by side.

Open #1BBBA3 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.