Skip to content

#28E01F Color

#28E01F is rgb(40, 224, 31) in RGB, hsl(117, 76%, 50%) in HSL, and about cmyk(82%, 0%, 86%, 12%) in CMYK. It has no registered color name of its own — the closest is SGBUS Green (#55DD33), clearly related but distinguishable side by side at ΔE 9.92. Black text is the more readable choice on this background.

#28E01F
HEX#28E01F
RGBrgb(40, 224, 31)
HSLhsl(117, 76%, 50%)
HSVhsv(117, 86%, 88%)
CMYKcmyk(82%, 0%, 86%, 12%)
OKLCHoklch(78.9% 0.258 142.3)
LABlab(78.46% -68.98 70.05)
LCHlch(78.46% 98.31 134.56)

What #28E01F 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 #28E01F, 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.

#28E01F Channel Values

How #28E01F 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 40 · G 224 · B 318-bit channels as sent to the display
HSLH 117° · S 76% · L 50%Easiest model for building lighter and darker variants
HSVH 117° · S 86% · V 88%Matches the picker in most design tools
CMYKC 82% · M 0% · Y 86% · K 12%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.78:1 vs white · 11.77:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #28E01F 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 text1.78:1AA normal AA large AAA normal
TextBlack text11.77:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #28E01F in the contrast checker.

Colors That Go With #28E01F

Pairings derived from color-wheel relationships. The complementary color sits opposite #28E01F; 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 #28E01F

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 #28E01F.

How #28E01F 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#28E01F
Protanopia#CFCF23
Protanomaly#A6D622
Deuteranopia#BDBD34
Deuteranomaly#98CC2D
Tritanopia#5FD3D3
Tritanomaly#4ED8A9
Achromatopsia#C2C2C2

Test a full palette in the color blindness simulator.

Using #28E01F in Code

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

CSS custom property--color-28e01f: #28E01F;
CSS backgroundbackground-color: #28E01F;
Tailwind configcolors: { 'color-28e01f': '#28E01F' }
SwiftUIColor(red: 0.157, green: 0.878, blue: 0.122)
Android XML<color name="color_28e01f">#28E01F</color>
SVG fillfill="#28E01F"

More Green Colors

#28E01F sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

#28E01F Frequently Asked Questions

What color is #28E01F?

#28E01F is a mid-tone green — rgb(40, 224, 31) in RGB and hsl(117, 76%, 50%) in HSL. It carries no registered color name of its own; the closest named color is SGBUS Green (#55DD33), which is clearly related but distinguishable side by side at a CIE76 distance of 9.92.

What is the RGB value of #28E01F?

#28E01F is rgb(40, 224, 31) — red 40, green 224, and blue 31 on the 0-255 scale.

What is the CMYK value of #28E01F?

#28E01F converts to approximately cmyk(82%, 0%, 86%, 12%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #28E01F be black or white?

Black text is the more readable choice. #28E01F scores 1.78:1 against white and 11.77:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #28E01F as a CSS color keyword?

No. #28E01F 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 13.56, which is visibly different.

Open #28E01F in a Tool

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