Skip to content

#63CFB6 Color

#63CFB6 is rgb(99, 207, 182) in RGB, hsl(166, 53%, 60%) in HSL, and about cmyk(52%, 0%, 12%, 19%) in CMYK. It has no registered color name of its own — the closest is Medium Aquamarine (#66CDAA), clearly related but distinguishable side by side at ΔE 5.45. Black text is the more readable choice on this background.

#63CFB6
HEX#63CFB6
RGBrgb(99, 207, 182)
HSLhsl(166, 53%, 60%)
HSVhsv(166, 52%, 81%)
CMYKcmyk(52%, 0%, 12%, 19%)
OKLCHoklch(78.4% 0.107 176.1)
LABlab(76.28% -37.18 2.47)
LCHlch(76.28% 37.26 176.20)

What #63CFB6 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 #63CFB6, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Aquamarine#66CDAAΔE 5.45Pearl Aqua#88D8C0ΔE 8.76Medium Turquoise#48D1CCΔE 11.57Turquoise#40E0D0ΔE 11.68Keppel#3AB09EΔE 11.69Middle Blue Green#8DD9CCΔE 12.32

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

#63CFB6 Channel Values

How #63CFB6 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 99 · G 207 · B 1828-bit channels as sent to the display
HSLH 166° · S 53% · L 60%Easiest model for building lighter and darker variants
HSVH 166° · S 52% · V 81%Matches the picker in most design tools
CMYKC 52% · M 0% · Y 12% · K 19%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.89:1 vs white · 11.13:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #63CFB6 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 text1.89:1AA normal AA large AAA normal
TextBlack text11.13:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #63CFB6 in the contrast checker.

Colors That Go With #63CFB6

Pairings derived from color-wheel relationships. The complementary color sits opposite #63CFB6; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#63CFB6
Complementary
#CF637C
Analogous
#63CF80
Analogous
#63B2CF
Triadic
#B663CF
Triadic
#CFB663
Split comp.
#CF63B2
Split comp.
#CF8063

Tints & Shades of #63CFB6

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

#76D5BF
#8EDCCA
#A1E2D3
#B9E9DE
#CCEFE7
#E4F7F2

Shades

#44C5A7
#35AC90
#2B8C76
#226D5C
#184E41
#0E2F27

Want a full 50-950 ramp with semantic roles? Generate design tokens from #63CFB6.

How #63CFB6 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#63CFB6
Protanopia#C2C2B6
Protanomaly#A4C7B6
Deuteranopia#B4B4B8
Deuteranomaly#9AC0B7
Tritanopia#6ACCCC
Tritanomaly#67CDC4
Achromatopsia#BDBDBD

Test a full palette in the color blindness simulator.

Using #63CFB6 in Code

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

CSS custom property--color-63cfb6: #63CFB6;
CSS backgroundbackground-color: #63CFB6;
Tailwind configcolors: { 'color-63cfb6': '#63CFB6' }
SwiftUIColor(red: 0.388, green: 0.812, blue: 0.714)
Android XML<color name="color_63cfb6">#63CFB6</color>
SVG fillfill="#63CFB6"

More Green Colors

#63CFB6 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#63CFB6 Frequently Asked Questions

What color is #63CFB6?

#63CFB6 is a light green — rgb(99, 207, 182) in RGB and hsl(166, 53%, 60%) in HSL. It carries no registered color name of its own; the closest named color is Medium Aquamarine (#66CDAA), which is clearly related but distinguishable side by side at a CIE76 distance of 5.45.

What is the RGB value of #63CFB6?

#63CFB6 is rgb(99, 207, 182) — red 99, green 207, and blue 182 on the 0-255 scale.

What is the CMYK value of #63CFB6?

#63CFB6 converts to approximately cmyk(52%, 0%, 12%, 19%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #63CFB6 be black or white?

Black text is the more readable choice. #63CFB6 scores 1.89:1 against white and 11.13:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #63CFB6 as a CSS color keyword?

No. #63CFB6 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 5.45, which is clearly related but distinguishable side by side.

Open #63CFB6 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.