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Recognised as Colour

#42AE80

  • #42AE80
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#42AE80 is a cyan with RGB values 66, 174, 128 and HSL 154°, 45%, 47%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#42AE80#42AE80
HEX#42AE80
RGBrgb(66, 174, 128)
RGB (0–1)0.2588, 0.6824, 0.502
RGB percentages25.9%, 68.2%, 50.2%
HSLhsl(154.4, 45%, 47.1%)
HSV / HSBhsv(154.4, 62.1%, 68.2%)
CMYK62.1%, 0%, 26.4%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,370,048
CSS custom property--colour: #42AE80;

Brightness & contrast

Relative luminance0.32989WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.6:1
Contrast with white2.76:1WCAG normal text: Fail
Contrast with black7.6:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#BD517F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ABA27Dno red cones; affects about 1% of men; ΔE 39.7 from the original
Deuteranopia#9D9783no green cones; the most common form, about 1% of men; ΔE 40.7 from the original
Tritanopia#00AEA1no blue cones; rare, and affects men and women equally; ΔE 18.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.76:1WCAG large text: Fail
Contrast with black, large text7.6:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 11.6Medium aquamarine · ΔE 13.6Sea green · ΔE 13.9Dark seagreen · ΔE 20Light seagreen · ΔE 21.5Turquoise · ΔE 25.4
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 11.59, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE4270
Analogous#42AE4A, #42A6AE
Triadic#8042AE, #AE8042
Split complementary#AE42A6, #AE4A42
Tetradic#4A42AE, #AE4270, #A6AE42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFEDE0
Lighter +30%#AADFC8
Lighter +20%#85D1B1
Lighter +10%#60C399
Darker −10%#348965
Darker −20%#26644A
Darker −30%#183F2E
Darker −40%#0A1A13
More saturated +25%#24CC84
Less saturated −25%#60907C

Channel breakdown

R66
G174
B128
Red66 (25.9%)
Green174 (68.2%)
Blue128 (50.2%)
Hue154.44°
Saturation (HSL)45%
Lightness47.06%
Dominant channelGreen
Hex per channelR 42 · G AE · B 80

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Every value on this page was computed from “42ae80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.