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#1BBB99 Color

#1BBB99 is rgb(27, 187, 153) in RGB, hsl(167, 75%, 42%) in HSL, and about cmyk(86%, 0%, 18%, 27%) in CMYK. It has no registered color name of its own — the closest is Mountain Meadow (#30BA8F), clearly related but distinguishable side by side at ΔE 5.22. Black text is the more readable choice on this background.

#1BBB99
HEX#1BBB99
RGBrgb(27, 187, 153)
HSLhsl(167, 75%, 42%)
HSVhsv(167, 86%, 73%)
CMYKcmyk(86%, 0%, 18%, 27%)
OKLCHoklch(70.8% 0.132 173)
LABlab(67.87% -46.24 5.80)
LCHlch(67.87% 46.61 172.86)

What #1BBB99 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 #1BBB99, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Mountain Meadow#30BA8FΔE 5.22Jungle Green#29AB87ΔE 6.94Persian Green#00A693ΔE 10.99Zomp#39A78EΔE 11.24Green (Munsell)#00A877ΔE 11.26Caribbean Green#00CC99ΔE 11.4

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

#1BBB99 Channel Values

How #1BBB99 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 1538-bit channels as sent to the display
HSLH 167° · S 75% · L 42%Easiest model for building lighter and darker variants
HSVH 167° · S 86% · V 73%Matches the picker in most design tools
CMYKC 86% · M 0% · Y 18% · K 27%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.44:1 vs white · 8.61:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1BBB99 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 text2.44:1AA normal AA large AAA normal
TextBlack text8.61:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1BBB99 in the contrast checker.

Colors That Go With #1BBB99

Pairings derived from color-wheel relationships. The complementary color sits opposite #1BBB99; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1BBB99
Complementary
#BB1B3E
Analogous
#1BBB48
Analogous
#1B8EBB
Triadic
#991BBB
Triadic
#BB991B
Split comp.
#BB1B8E
Split comp.
#BB481B

Tints & Shades of #1BBB99

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

#20DFB6
#44E4C1
#67E9CD
#8BEED9
#AFF4E5
#D2F9F0

Shades

#18A586
#148A71
#11745E
#0D5949
#0A4337
#062821

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1BBB99.

How #1BBB99 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#1BBB99
Protanopia#ACAC99
Protanomaly#8AB299
Deuteranopia#9D9D9C
Deuteranomaly#7DAA9B
Tritanopia#33B7B7
Tritanomaly#2BB9AC
Achromatopsia#A6A6A6

Test a full palette in the color blindness simulator.

Using #1BBB99 in Code

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

CSS custom property--color-1bbb99: #1BBB99;
CSS backgroundbackground-color: #1BBB99;
Tailwind configcolors: { 'color-1bbb99': '#1BBB99' }
SwiftUIColor(red: 0.106, green: 0.733, blue: 0.600)
Android XML<color name="color_1bbb99">#1BBB99</color>
SVG fillfill="#1BBB99"

More Green Colors

#1BBB99 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#1BBB99 Frequently Asked Questions

What color is #1BBB99?

#1BBB99 is a mid-tone green — rgb(27, 187, 153) in RGB and hsl(167, 75%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Mountain Meadow (#30BA8F), which is clearly related but distinguishable side by side at a CIE76 distance of 5.22.

What is the RGB value of #1BBB99?

#1BBB99 is rgb(27, 187, 153) — red 27, green 187, and blue 153 on the 0-255 scale.

What is the CMYK value of #1BBB99?

#1BBB99 converts to approximately cmyk(86%, 0%, 18%, 27%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1BBB99 be black or white?

Black text is the more readable choice. #1BBB99 scores 2.44:1 against white and 8.61:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1BBB99 as a CSS color keyword?

No. #1BBB99 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 mediumaquamarine (#66CDAA) at a CIE76 distance of 11.63, which is visibly different.

Open #1BBB99 in a Tool

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

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