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#42CDA5 Color

#42CDA5 is rgb(66, 205, 165) in RGB, hsl(163, 58%, 53%) in HSL, and about cmyk(68%, 0%, 20%, 20%) in CMYK. It has no registered color name of its own — the closest is Eucalyptus (#44D7A8), clearly related but distinguishable side by side at ΔE 5.11. Black text is the more readable choice on this background.

#42CDA5
HEX#42CDA5
RGBrgb(66, 205, 165)
HSLhsl(163, 58%, 53%)
HSVhsv(163, 68%, 80%)
CMYKcmyk(68%, 0%, 20%, 20%)
OKLCHoklch(76.4% 0.132 169.8)
LABlab(74.35% -45.94 8.62)
LCHlch(74.35% 46.74 169.37)

What #42CDA5 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 #42CDA5, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Eucalyptus#44D7A8ΔE 5.11Mountain Meadow#30BA8FΔE 7.1Medium Aquamarine#66CDAAΔE 8.31Caribbean Green#00CC99ΔE 8.76Spearmint#4FE7B0ΔE 11.67Jungle Green#29AB87ΔE 12.24

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

#42CDA5 Channel Values

How #42CDA5 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 205 · B 1658-bit channels as sent to the display
HSLH 163° · S 58% · L 53%Easiest model for building lighter and darker variants
HSVH 163° · S 68% · V 80%Matches the picker in most design tools
CMYKC 68% · M 0% · Y 20% · K 20%Approximate ink mix; confirm with an ICC profile before printing
Luminance2:1 vs white · 10.51:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #42CDA5 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 text2:1AA normal AA large AAA normal
TextBlack text10.51:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #42CDA5 in the contrast checker.

Colors That Go With #42CDA5

Pairings derived from color-wheel relationships. The complementary color sits opposite #42CDA5; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#42CDA5
Complementary
#CD4269
Analogous
#42CD60
Analogous
#42AFCD
Triadic
#A542CD
Triadic
#CDA542
Split comp.
#CD42AF
Split comp.
#CD6042

Tints & Shades of #42CDA5

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

#5AD3B1
#76DBBE
#8EE1CA
#AAE9D7
#C3EFE2
#DFF6F0

Shades

#31B993
#2A9D7C
#228166
#1B6550
#134939
#0C2C23

Want a full 50-950 ramp with semantic roles? Generate design tokens from #42CDA5.

How #42CDA5 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#42CDA5
Protanopia#BEBEA5
Protanomaly#9CC4A5
Deuteranopia#AFAFA8
Deuteranomaly#90BCA7
Tritanopia#52C9C9
Tritanomaly#4CCABB
Achromatopsia#B7B7B7

Test a full palette in the color blindness simulator.

Using #42CDA5 in Code

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

CSS custom property--color-42cda5: #42CDA5;
CSS backgroundbackground-color: #42CDA5;
Tailwind configcolors: { 'color-42cda5': '#42CDA5' }
SwiftUIColor(red: 0.259, green: 0.804, blue: 0.647)
Android XML<color name="color_42cda5">#42CDA5</color>
SVG fillfill="#42CDA5"

More Green Colors

#42CDA5 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#42CDA5 Frequently Asked Questions

What color is #42CDA5?

#42CDA5 is a mid-tone green — rgb(66, 205, 165) in RGB and hsl(163, 58%, 53%) in HSL. It carries no registered color name of its own; the closest named color is Eucalyptus (#44D7A8), which is clearly related but distinguishable side by side at a CIE76 distance of 5.11.

What is the RGB value of #42CDA5?

#42CDA5 is rgb(66, 205, 165) — red 66, green 205, and blue 165 on the 0-255 scale.

What is the CMYK value of #42CDA5?

#42CDA5 converts to approximately cmyk(68%, 0%, 20%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #42CDA5 be black or white?

Black text is the more readable choice. #42CDA5 scores 2:1 against white and 10.51:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #42CDA5 as a CSS color keyword?

No. #42CDA5 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 mediumaquamarine (#66CDAA) at a CIE76 distance of 8.31, which is clearly related but distinguishable side by side.

Open #42CDA5 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.