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#12E243 Color

#12E243 is rgb(18, 226, 67) in RGB, hsl(134, 85%, 48%) in HSL, and about cmyk(92%, 0%, 70%, 11%) in CMYK. It has no registered color name of its own — the closest is Vivid Malachite (#00CC33), clearly related but distinguishable side by side at ΔE 8.38. Black text is the more readable choice on this background.

#12E243
HEX#12E243
RGBrgb(18, 226, 67)
HSLhsl(134, 85%, 48%)
HSVhsv(134, 92%, 89%)
CMYKcmyk(92%, 0%, 70%, 11%)
OKLCHoklch(79.4% 0.246 145)
LABlab(79.04% -69.51 60.47)
LCHlch(79.04% 92.13 138.98)

What #12E243 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 #12E243, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Vivid Malachite#00CC33ΔE 8.38Malachite#0BDA51ΔE 8.83Lime Green#32CD32ΔE 9.95SGBUS Green#55DD33ΔE 10.71Screamin' Green#66FF66ΔE 12.09Erin#00FF40ΔE 15.5

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

#12E243 Channel Values

How #12E243 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 18 · G 226 · B 678-bit channels as sent to the display
HSLH 134° · S 85% · L 48%Easiest model for building lighter and darker variants
HSVH 134° · S 92% · V 89%Matches the picker in most design tools
CMYKC 92% · M 0% · Y 70% · K 11%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.75:1 vs white · 11.99:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #12E243 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 text1.75:1AA normal AA large AAA normal
TextBlack text11.99:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #12E243 in the contrast checker.

Colors That Go With #12E243

Pairings derived from color-wheel relationships. The complementary color sits opposite #12E243; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#12E243
Complementary
#E212B2
Analogous
#4AE212
Analogous
#12E2AB
Triadic
#4312E2
Triadic
#E24312
Split comp.
#AB12E2
Split comp.
#E2124A

Tints & Shades of #12E243

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

#2BEE58
#4CF072
#6DF38C
#92F6AA
#B4F9C4
#D5FCDE

Shades

#10C63B
#0DA531
#0B8928
#096D20
#075018
#042F0E

Want a full 50-950 ramp with semantic roles? Generate design tokens from #12E243.

How #12E243 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#12E243
Protanopia#D0D045
Protanomaly#A6D844
Deuteranopia#BDBD4E
Deuteranomaly#97CD4A
Tritanopia#57D6D6
Tritanomaly#45DBAE
Achromatopsia#C4C4C4

Test a full palette in the color blindness simulator.

Using #12E243 in Code

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

CSS custom property--color-12e243: #12E243;
CSS backgroundbackground-color: #12E243;
Tailwind configcolors: { 'color-12e243': '#12E243' }
SwiftUIColor(red: 0.071, green: 0.886, blue: 0.263)
Android XML<color name="color_12e243">#12E243</color>
SVG fillfill="#12E243"

More Green Colors

#12E243 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#12E243 Frequently Asked Questions

What color is #12E243?

#12E243 is a mid-tone green — rgb(18, 226, 67) in RGB and hsl(134, 85%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Vivid Malachite (#00CC33), which is clearly related but distinguishable side by side at a CIE76 distance of 8.38.

What is the RGB value of #12E243?

#12E243 is rgb(18, 226, 67) — red 18, green 226, and blue 67 on the 0-255 scale.

What is the CMYK value of #12E243?

#12E243 converts to approximately cmyk(92%, 0%, 70%, 11%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #12E243 be black or white?

Black text is the more readable choice. #12E243 scores 1.75:1 against white and 11.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #12E243 as a CSS color keyword?

No. #12E243 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 9.95, which is clearly related but distinguishable side by side.

Open #12E243 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.