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#1BBBA1 Color

#1BBBA1 is rgb(27, 187, 161) in RGB, hsl(170, 75%, 42%) in HSL, and about cmyk(86%, 0%, 14%, 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 8.3. Black text is the more readable choice on this background.

#1BBBA1
HEX#1BBBA1
RGBrgb(27, 187, 161)
HSLhsl(170, 75%, 42%)
HSVhsv(170, 86%, 73%)
CMYKcmyk(86%, 0%, 14%, 27%)
OKLCHoklch(71.1% 0.127 177.6)
LABlab(68.04% -44.64 1.69)
LCHlch(68.04% 44.67 177.83)

What #1BBBA1 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 #1BBBA1, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Keppel#3AB09EΔE 8.3Persian Green#00A693ΔE 8.41Jungle Green#29AB87ΔE 8.79Mountain Meadow#30BA8FΔE 9.33Zomp#39A78EΔE 9.92Light Sea Green#20B2AAΔE 10.7

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

#1BBBA1 Channel Values

How #1BBBA1 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 1618-bit channels as sent to the display
HSLH 170° · S 75% · L 42%Easiest model for building lighter and darker variants
HSVH 170° · S 86% · V 73%Matches the picker in most design tools
CMYKC 86% · M 0% · Y 14% · K 27%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.42:1 vs white · 8.67:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1BBBA1 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 text8.67:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1BBBA1 in the contrast checker.

Colors That Go With #1BBBA1

Pairings derived from color-wheel relationships. The complementary color sits opposite #1BBBA1; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1BBBA1
Complementary
#BB1B36
Analogous
#1BBB50
Analogous
#1B86BB
Triadic
#A11BBB
Triadic
#BBA11B
Split comp.
#BB1B86
Split comp.
#BB501B

Tints & Shades of #1BBBA1

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

#20DFBF
#44E4C9
#67E9D4
#8BEEDE
#AFF4E8
#D2F9F2

Shades

#18A58E
#148A77
#117463
#0D594D
#0A4339
#062822

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1BBBA1.

How #1BBBA1 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#1BBBA1
Protanopia#ACACA1
Protanomaly#8AB2A1
Deuteranopia#9D9DA4
Deuteranomaly#7DAAA3
Tritanopia#2FB8B8
Tritanomaly#29B9AF
Achromatopsia#A6A6A6

Test a full palette in the color blindness simulator.

Using #1BBBA1 in Code

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

CSS custom property--color-1bbba1: #1BBBA1;
CSS backgroundbackground-color: #1BBBA1;
Tailwind configcolors: { 'color-1bbba1': '#1BBBA1' }
SwiftUIColor(red: 0.106, green: 0.733, blue: 0.631)
Android XML<color name="color_1bbba1">#1BBBA1</color>
SVG fillfill="#1BBBA1"

More Teal Colors

#1BBBA1 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#1BBBA1 Frequently Asked Questions

What color is #1BBBA1?

#1BBBA1 is a mid-tone teal — rgb(27, 187, 161) in RGB and hsl(170, 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 8.3.

What is the RGB value of #1BBBA1?

#1BBBA1 is rgb(27, 187, 161) — red 27, green 187, and blue 161 on the 0-255 scale.

What is the CMYK value of #1BBBA1?

#1BBBA1 converts to approximately cmyk(86%, 0%, 14%, 27%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1BBBA1 be black or white?

Black text is the more readable choice. #1BBBA1 scores 2.42:1 against white and 8.67:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1BBBA1 as a CSS color keyword?

No. #1BBBA1 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 10.7, which is visibly different.

Open #1BBBA1 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.