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#42FFDC Color

#42FFDC is rgb(66, 255, 220) in RGB, hsl(169, 100%, 63%) in HSL, and about cmyk(74%, 0%, 14%, 0%) in CMYK. It has no registered color name of its own — the closest is Olo (#01FFCD), clearly related but distinguishable side by side at ΔE 9.35. Black text is the more readable choice on this background.

#42FFDC
HEX#42FFDC
RGBrgb(66, 255, 220)
HSLhsl(169, 100%, 63%)
HSVhsv(169, 74%, 100%)
CMYKcmyk(74%, 0%, 14%, 0%)
OKLCHoklch(90.1% 0.154 176.9)
LABlab(90.43% -54.06 2.77)
LCHlch(90.43% 54.13 177.07)

What #42FFDC 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 #42FFDC, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Olo#01FFCDΔE 9.35Sea Green (Crayola)#00FFCDΔE 9.37Turquoise Blue#00FFEFΔE 10.06Aquamarine#7FFFD4ΔE 11.3Spearmint#4FE7B0ΔE 14.37Bright Turquoise#08E8DEΔE 14.7

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

#42FFDC Channel Values

How #42FFDC 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 66 · G 255 · B 2208-bit channels as sent to the display
HSLH 169° · S 100% · L 63%Easiest model for building lighter and darker variants
HSVH 169° · S 74% · V 100%Matches the picker in most design tools
CMYKC 74% · M 0% · Y 14% · K 0%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.27:1 vs white · 16.57:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #42FFDC 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 text1.27:1AA normal AA large AAA normal
TextBlack text16.57:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #42FFDC in the contrast checker.

Colors That Go With #42FFDC

Pairings derived from color-wheel relationships. The complementary color sits opposite #42FFDC; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#42FFDC
Complementary
#FF4265
Analogous
#42FF7E
Analogous
#42C3FF
Triadic
#DC42FF
Triadic
#FFDC42
Split comp.
#FF42C3
Split comp.
#FF7E42

Tints & Shades of #42FFDC

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

#5CFFE1
#75FFE6
#8FFFEA
#A8FFEF
#C2FFF4
#DBFFF8

Shades

#1AFFD5
#00EBC0
#00C29E
#009479
#006B57
#003D32

Want a full 50-950 ramp with semantic roles? Generate design tokens from #42FFDC.

How #42FFDC 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#42FFDC
Protanopia#ECECDD
Protanomaly#C0F4DC
Deuteranopia#D8D8E0
Deuteranomaly#B0E9DE
Tritanopia#55FBFB
Tritanomaly#4EFDEF
Achromatopsia#E4E4E4

Test a full palette in the color blindness simulator.

Using #42FFDC in Code

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

CSS custom property--color-42ffdc: #42FFDC;
CSS backgroundbackground-color: #42FFDC;
Tailwind configcolors: { 'color-42ffdc': '#42FFDC' }
SwiftUIColor(red: 0.259, green: 1.000, blue: 0.863)
Android XML<color name="color_42ffdc">#42FFDC</color>
SVG fillfill="#42FFDC"

More Green Colors

#42FFDC sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#42FFDC Frequently Asked Questions

What color is #42FFDC?

#42FFDC is a light green — rgb(66, 255, 220) in RGB and hsl(169, 100%, 63%) in HSL. It carries no registered color name of its own; the closest named color is Olo (#01FFCD), which is clearly related but distinguishable side by side at a CIE76 distance of 9.35.

What is the RGB value of #42FFDC?

#42FFDC is rgb(66, 255, 220) — red 66, green 255, and blue 220 on the 0-255 scale.

What is the CMYK value of #42FFDC?

#42FFDC converts to approximately cmyk(74%, 0%, 14%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #42FFDC be black or white?

Black text is the more readable choice. #42FFDC scores 1.27:1 against white and 16.57:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #42FFDC as a CSS color keyword?

No. #42FFDC 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 aquamarine (#7FFFD4) at a CIE76 distance of 11.3, which is visibly different.

Open #42FFDC 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.