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#40F799 Color

#40F799 is rgb(64, 247, 153) in RGB, hsl(149, 92%, 61%) in HSL, and about cmyk(74%, 0%, 38%, 3%) in CMYK. It has no registered color name of its own — the closest is Medium Spring Green (#00FA9A), clearly related but distinguishable side by side at ΔE 5.11. Black text is the more readable choice on this background.

#40F799
HEX#40F799
RGBrgb(64, 247, 153)
HSLhsl(149, 92%, 61%)
HSVhsv(149, 74%, 97%)
CMYKcmyk(74%, 0%, 38%, 3%)
OKLCHoklch(86.5% 0.195 155.3)
LABlab(86.87% -62.57 31.75)
LCHlch(86.87% 70.16 153.10)

What #40F799 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 #40F799, 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.

#40F799 Channel Values

How #40F799 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 64 · G 247 · B 1538-bit channels as sent to the display
HSLH 149° · S 92% · L 61%Easiest model for building lighter and darker variants
HSVH 149° · S 74% · V 97%Matches the picker in most design tools
CMYKC 74% · M 0% · Y 38% · K 3%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.4:1 vs white · 14.98:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #40F799 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 text1.4:1AA normal AA large AAA normal
TextBlack text14.98:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #40F799 in the contrast checker.

Colors That Go With #40F799

Pairings derived from color-wheel relationships. The complementary color sits opposite #40F799; 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 #40F799

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 #40F799.

How #40F799 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#40F799
Protanopia#E5E59A
Protanomaly#BAEC9A
Deuteranopia#D1D19E
Deuteranomaly#AAE19C
Tritanopia#65EEEE
Tritanomaly#58F2D1
Achromatopsia#DADADA

Test a full palette in the color blindness simulator.

Using #40F799 in Code

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

CSS custom property--color-40f799: #40F799;
CSS backgroundbackground-color: #40F799;
Tailwind configcolors: { 'color-40f799': '#40F799' }
SwiftUIColor(red: 0.251, green: 0.969, blue: 0.600)
Android XML<color name="color_40f799">#40F799</color>
SVG fillfill="#40F799"

More Green Colors

#40F799 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

#40F799 Frequently Asked Questions

What color is #40F799?

#40F799 is a light green — rgb(64, 247, 153) in RGB and hsl(149, 92%, 61%) in HSL. It carries no registered color name of its own; the closest named color is Medium Spring Green (#00FA9A), which is clearly related but distinguishable side by side at a CIE76 distance of 5.11.

What is the RGB value of #40F799?

#40F799 is rgb(64, 247, 153) — red 64, green 247, and blue 153 on the 0-255 scale.

What is the CMYK value of #40F799?

#40F799 converts to approximately cmyk(74%, 0%, 38%, 3%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #40F799 be black or white?

Black text is the more readable choice. #40F799 scores 1.4:1 against white and 14.98:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #40F799 as a CSS color keyword?

No. #40F799 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 5.11, which is clearly related but distinguishable side by side.

Open #40F799 in a Tool

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