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#1CD91F Color

#1CD91F is rgb(28, 217, 31) in RGB, hsl(121, 77%, 48%) in HSL, and about cmyk(87%, 0%, 86%, 15%) 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 8.8. Black text is the more readable choice on this background.

#1CD91F
HEX#1CD91F
RGBrgb(28, 217, 31)
HSLhsl(121, 77%, 48%)
HSVhsv(121, 87%, 85%)
CMYKcmyk(87%, 0%, 86%, 15%)
OKLCHoklch(76.9% 0.253 142.7)
LABlab(76.12% -68.25 67.99)
LCHlch(76.12% 96.34 135.11)

What #1CD91F 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 #1CD91F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

SGBUS Green#55DD33ΔE 8.8Vivid Malachite#00CC33ΔE 10.5Lime Green#32CD32ΔE 10.75Erin#00FF40ΔE 15.25Malachite#0BDA51ΔE 15.61Screamin' Green#66FF66ΔE 16.95

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

#1CD91F Channel Values

How #1CD91F 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 28 · G 217 · B 318-bit channels as sent to the display
HSLH 121° · S 77% · L 48%Easiest model for building lighter and darker variants
HSVH 121° · S 87% · V 85%Matches the picker in most design tools
CMYKC 87% · M 0% · Y 86% · K 15%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.91:1 vs white · 10.99:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1CD91F 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 text1.91:1AA normal AA large AAA normal
TextBlack text10.99:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1CD91F in the contrast checker.

Colors That Go With #1CD91F

Pairings derived from color-wheel relationships. The complementary color sits opposite #1CD91F; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1CD91F
Complementary
#D91CD6
Analogous
#77D91C
Analogous
#1CD97E
Triadic
#1F1CD9
Triadic
#D91F1C
Split comp.
#7E1CD9
Split comp.
#D91C77

Tints & Shades of #1CD91F

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

#34E537
#53E956
#73ED75
#97F299
#B7F6B8
#D6FAD7

Shades

#19BE1B
#159E17
#118313
#0D680F
#0A4D0B
#062D07

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1CD91F.

How #1CD91F 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#1CD91F
Protanopia#C8C823
Protanomaly#A0CF21
Deuteranopia#B6B633
Deuteranomaly#92C52C
Tritanopia#58CDCD
Tritanomaly#47D2A4
Achromatopsia#BBBBBB

Test a full palette in the color blindness simulator.

Using #1CD91F in Code

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

CSS custom property--color-1cd91f: #1CD91F;
CSS backgroundbackground-color: #1CD91F;
Tailwind configcolors: { 'color-1cd91f': '#1CD91F' }
SwiftUIColor(red: 0.110, green: 0.851, blue: 0.122)
Android XML<color name="color_1cd91f">#1CD91F</color>
SVG fillfill="#1CD91F"

More Green Colors

#1CD91F sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#1CD91F Frequently Asked Questions

What color is #1CD91F?

#1CD91F is a mid-tone green — rgb(28, 217, 31) in RGB and hsl(121, 77%, 48%) 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 8.8.

What is the RGB value of #1CD91F?

#1CD91F is rgb(28, 217, 31) — red 28, green 217, and blue 31 on the 0-255 scale.

What is the CMYK value of #1CD91F?

#1CD91F converts to approximately cmyk(87%, 0%, 86%, 15%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1CD91F be black or white?

Black text is the more readable choice. #1CD91F scores 1.91:1 against white and 10.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1CD91F as a CSS color keyword?

No. #1CD91F 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 10.75, which is visibly different.

Open #1CD91F 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.