Colour

#66BD9D

#66BD9D
Cyan
Dark
Nearest: Medium aquamarine

#66BD9D is a cyan with RGB values 102, 189, 157 and HSL 158°, 40%, 57%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#66BD9D#66BD9D

HEX#66BD9D

RGBrgb(102, 189, 157)

RGB (0–1)0.4, 0.7412, 0.6157

RGB percentages40%, 74.1%, 61.6%

HSLhsl(157.9, 39.7%, 57.1%)

HSV / HSBhsv(157.9, 46%, 74.1%)

CMYK46%, 0%, 16.9%, 25.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,733,213

CSS custom property--colour: #66BD9D;

Brightness & contrast

Relative luminance0.41654WCAG 2.x, 0 is black and 1 is white

Perceived brightness164 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.33:1

Contrast with white2.25:1WCAG normal text: Fail

Contrast with black9.33:1WCAG normal text: AAA

Greyscale equivalent#A8A8A8

Inverted#994262

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B9B39Bno red cones; affects about 1% of men; ΔE 32.4 from the original

Deuteranopia#ACA99Fno green cones; the most common form, about 1% of men; ΔE 33.3 from the original

Tritanopia#49BEB4no blue cones; rare, and affects men and women equally; ΔE 12.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.25:1WCAG large text: Fail

Contrast with black, large text9.33:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 6.7 Dark seagreen · ΔE 14.2 Light seagreen · ΔE 15.7 Medium turquoise · ΔE 17.9 Turquoise · ΔE 19.1 Medium seagreen · ΔE 22.3

Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 6.74, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BD6686

Analogous#66BD71, #66B2BD

Triadic#9D66BD, #BD9D66

Split complementary#BD66B2, #BD7166

Tetradic#7166BD, #BD6686, #B2BD66

Tints, shades & saturation

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

Lighter +40%#F5FAF8

Lighter +30%#D1EBE1

Lighter +20%#ADDCCB

Lighter +10%#8ACCB4

Darker −10%#48A885

Darker −20%#398468

Darker −30%#2A604C

Darker −40%#1A3D30

More saturated +25%#4BD8A4

Less saturated −25%#81A296

Channel breakdown

R102

G189

B157

Red102 (40%)

Green189 (74.1%)

Blue157 (61.6%)

Hue157.93°

Saturation (HSL)39.73%

Lightness57.06%

Dominant channelGreen

Hex per channelR 66 · G BD · B 9D

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#66BD9D

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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