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Recognised as Colour

#3FAD99

  • #3FAD99
  • Cyan
  • Dark
  • Nearest: Light seagreen

#3FAD99 is a cyan with RGB values 63, 173, 153 and HSL 169°, 47%, 46%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#3FAD99#3FAD99
HEX#3FAD99
RGBrgb(63, 173, 153)
RGB (0–1)0.2471, 0.6784, 0.6
RGB percentages24.7%, 67.8%, 60%
HSLhsl(169.1, 46.6%, 46.3%)
HSV / HSBhsv(169.1, 63.6%, 67.8%)
CMYK63.6%, 0%, 11.6%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,173,209
CSS custom property--colour: #3FAD99;

Brightness & contrast

Relative luminance0.33244WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.65:1
Contrast with white2.75:1WCAG normal text: Fail
Contrast with black7.65:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#C05266

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A6A398no red cones; affects about 1% of men; ΔE 35.5 from the original
Deuteranopia#96979Bno green cones; the most common form, about 1% of men; ΔE 36.6 from the original
Tritanopia#00B0A7no blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.75:1WCAG large text: Fail
Contrast with black, large text7.65:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 7.7Medium aquamarine · ΔE 13.6Medium turquoise · ΔE 15.7Dark cyan · ΔE 16.7Cadetblue · ΔE 18.6Dark turquoise · ΔE 18.7
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 7.71, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD3F53
Analogous#3FAD62, #3F8AAD
Triadic#993FAD, #AD993F
Split complementary#AD3F8A, #AD623F
Tetradic#623FAD, #AD3F53, #8AAD3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCECE6
Lighter +30%#A6DFD4
Lighter +20%#81D1C3
Lighter +10%#5CC3B1
Darker −10%#318878
Darker −20%#246257
Darker −30%#163D36
Darker −40%#091715
More saturated +25%#21CBAC
Less saturated −25%#5D8F86

Channel breakdown

R63
G173
B153
Red63 (24.7%)
Green173 (67.8%)
Blue153 (60%)
Hue169.09°
Saturation (HSL)46.61%
Lightness46.27%
Dominant channelGreen
Hex per channelR 3F · G AD · B 99

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Every value on this page was computed from “3fad99” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.