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#01B73E Color

#01B73E is rgb(1, 183, 62) in RGB, hsl(140, 99%, 36%) in HSL, and about cmyk(99%, 0%, 66%, 28%) in CMYK. It has no registered color name of its own — the closest is Dark Pastel Green (#03C03C), clearly related but distinguishable side by side at ΔE 5.46. Black text is the more readable choice on this background.

#01B73E
HEX#01B73E
RGBrgb(1, 183, 62)
HSLhsl(140, 99%, 36%)
HSVhsv(140, 99%, 72%)
CMYKcmyk(99%, 0%, 66%, 28%)
OKLCHoklch(67.9% 0.205 146.4)
LABlab(65.16% -59.17 47.90)
LCHlch(65.16% 76.13 141.01)

What #01B73E 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 #01B73E, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#01B73E Channel Values

How #01B73E 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 1 · G 183 · B 628-bit channels as sent to the display
HSLH 140° · S 99% · L 36%Easiest model for building lighter and darker variants
HSVH 140° · S 99% · V 72%Matches the picker in most design tools
CMYKC 99% · M 0% · Y 66% · K 28%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.68:1 vs white · 7.84:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #01B73E 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 text2.68:1AA normal AA large AAA normal
TextBlack text7.84:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #01B73E in the contrast checker.

Colors That Go With #01B73E

Pairings derived from color-wheel relationships. The complementary color sits opposite #01B73E; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #01B73E

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #01B73E.

How #01B73E 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#01B73E
Protanopia#A8A83F
Protanomaly#85AE3F
Deuteranopia#999946
Deuteranomaly#79A643
Tritanopia#42ADAD
Tritanomaly#33B18E
Achromatopsia#9E9E9E

Test a full palette in the color blindness simulator.

Using #01B73E in Code

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

CSS custom property--color-01b73e: #01B73E;
CSS backgroundbackground-color: #01B73E;
Tailwind configcolors: { 'color-01b73e': '#01B73E' }
SwiftUIColor(red: 0.004, green: 0.718, blue: 0.243)
Android XML<color name="color_01b73e">#01B73E</color>
SVG fillfill="#01B73E"

More Green Colors

#01B73E sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

#01B73E Frequently Asked Questions

What color is #01B73E?

#01B73E is a dark green — rgb(1, 183, 62) in RGB and hsl(140, 99%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Dark Pastel Green (#03C03C), which is clearly related but distinguishable side by side at a CIE76 distance of 5.46.

What is the RGB value of #01B73E?

#01B73E is rgb(1, 183, 62) — red 1, green 183, and blue 62 on the 0-255 scale.

What is the CMYK value of #01B73E?

#01B73E converts to approximately cmyk(99%, 0%, 66%, 28%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #01B73E be black or white?

Black text is the more readable choice. #01B73E scores 2.68:1 against white and 7.84:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #01B73E as a CSS color keyword?

No. #01B73E 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 limegreen (#32CD32) at a CIE76 distance of 14.55, which is visibly different.

Open #01B73E in a Tool

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