Colour

#66CCAA

#66CCAA
Cyan
Dark
Nearest: Medium aquamarine

#66CCAA is a cyan with RGB values 102, 204, 170 and HSL 160°, 50%, 60%. It is a dark colour, so black text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#66CCAA#66CCAA

HEX#66CCAA

HEX (short)#6CA

RGBrgb(102, 204, 170)

RGB (0–1)0.4, 0.8, 0.6667

RGB percentages40%, 80%, 66.7%

HSLhsl(160, 50%, 60%)

HSV / HSBhsv(160, 50%, 80%)

CMYK50%, 0%, 16.7%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,737,066

CSS custom property--colour: #66CCAA;

Brightness & contrast

Relative luminance0.48913WCAG 2.x, 0 is black and 1 is white

Perceived brightness175.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.78:1

Contrast with white1.95:1WCAG normal text: Fail

Contrast with black10.78:1WCAG normal text: AAA

Greyscale equivalent#B4B4B4

Inverted#993355

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C7C0A8no red cones; affects about 1% of men; ΔE 36.7 from the original

Deuteranopia#B8B5ACno green cones; the most common form, about 1% of men; ΔE 37.5 from the original

Tritanopia#3ECDC2no blue cones; rare, and affects men and women equally; ΔE 13.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.95:1WCAG large text: Fail

Contrast with black, large text10.78:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 0.7 Turquoise · ΔE 14.7 Medium turquoise · ΔE 16.3 Light seagreen · ΔE 17.2 Dark seagreen · ΔE 17.7 Aquamarine · ΔE 18.4

Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 0.69, indistinguishable to the eye

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#CC6688

Analogous#66CC77, #66BBCC

Triadic#AA66CC, #CCAA66

Split complementary#CC66BB, #CC7766

Tetradic#7766CC, #CC6688, #BBCC66

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#D9F2EA

Lighter +20%#B3E6D5

Lighter +10%#8CD9BF

Darker −10%#40BF95

Darker −20%#339977

Darker −30%#267359

Darker −40%#1A4D3C

More saturated +25%#4DE6B3

Less saturated −25%#80B3A2

Channel breakdown

R102

G204

B170

Red102 (40%)

Green204 (80%)

Blue170 (66.7%)

Hue160°

Saturation (HSL)50%

Lightness60%

Dominant channelGreen

Hex per channelR 66 · G CC · B AA

Keep nerding

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#66CCAA

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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