#01E491 Color
#01E491 is rgb(1, 228, 145) in RGB, hsl(158, 99%, 45%) in HSL, and about cmyk(100%, 0%, 36%, 11%) in CMYK. It has no registered color name of its own — the closest is Android Green (#3DDC84), clearly related but distinguishable side by side at ΔE 6.87. Black text is the more readable choice on this background.
#01E491rgb(1, 228, 145)hsl(158, 99%, 45%)hsv(158, 100%, 89%)cmyk(100%, 0%, 36%, 11%)oklch(81% 0.188 158.2)lab(80.37% -62.35 27.07)lch(80.37% 67.97 156.53)What #01E491 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 #01E491, 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.
#01E491 Channel Values
How #01E491 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 1 · G 228 · B 145 | 8-bit channels as sent to the display |
| HSL | H 158° · S 99% · L 45% | Easiest model for building lighter and darker variants |
| HSV | H 158° · S 100% · V 89% | Matches the picker in most design tools |
| CMYK | C 100% · M 0% · Y 36% · K 11% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.68:1 vs white · 12.51:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #01E491 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.
Need a specific ratio against another background? Open #01E491 in the contrast checker.
Colors That Go With #01E491
Pairings derived from color-wheel relationships. The complementary color sits opposite #01E491; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #01E491
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #01E491.
How #01E491 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.
#01E491#D2D292#A7D991#BFBF96#98CF94#47DCDC#37DFC2#C8C8C8Using #01E491 in Code
Copy-ready declarations for the places this color usually ends up.
--color-01e491: #01E491;background-color: #01E491;colors: { 'color-01e491': '#01E491' }Color(red: 0.004, green: 0.894, blue: 0.569)<color name="color_01e491">#01E491</color>fill="#01E491"More Green Colors
#01E491 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#01E491 Frequently Asked Questions
What color is #01E491?
#01E491 is a mid-tone green — rgb(1, 228, 145) in RGB and hsl(158, 99%, 45%) in HSL. It carries no registered color name of its own; the closest named color is Android Green (#3DDC84), which is clearly related but distinguishable side by side at a CIE76 distance of 6.87.
What is the RGB value of #01E491?
#01E491 is rgb(1, 228, 145) — red 1, green 228, and blue 145 on the 0-255 scale.
What is the CMYK value of #01E491?
#01E491 converts to approximately cmyk(100%, 0%, 36%, 11%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #01E491 be black or white?
Black text is the more readable choice. #01E491 scores 1.68:1 against white and 12.51:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #01E491 as a CSS color keyword?
No. #01E491 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 mediumspringgreen (#00FA9A) at a CIE76 distance of 9.8, which is clearly related but distinguishable side by side.
Open #01E491 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.