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Recognised as Colour

#3FA18E

  • #3FA18E
  • Cyan
  • Dark
  • Nearest: Light seagreen

#3FA18E is a cyan with RGB values 63, 161, 142 and HSL 168°, 44%, 44%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Light seagreen.

Colour values

#3FA18E#3FA18E
HEX#3FA18E
RGBrgb(63, 161, 142)
RGB (0–1)0.2471, 0.6314, 0.5569
RGB percentages24.7%, 63.1%, 55.7%
HSLhsl(168.4, 43.7%, 43.9%)
HSV / HSBhsv(168.4, 60.9%, 63.1%)
CMYK60.9%, 0%, 11.8%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,170,126
CSS custom property--colour: #3FA18E;

Brightness & contrast

Relative luminance0.28499WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.7:1
Contrast with white3.13:1WCAG normal text: Fail
Contrast with black6.7:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#C05E71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9B988Dno red cones; affects about 1% of men; ΔE 32.8 from the original
Deuteranopia#8C8D90no green cones; the most common form, about 1% of men; ΔE 33.7 from the original
Tritanopia#00A39Bno blue cones; rare, and affects men and women equally; ΔE 8.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.13:1WCAG large text: AA
Contrast with black, large text6.7:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 10.4Dark cyan · ΔE 13.5Cadetblue · ΔE 16.2Teal · ΔE 16.2Medium aquamarine · ΔE 17.6Medium turquoise · ΔE 19.6
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 10.37, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A13F52
Analogous#3FA15D, #3F83A1
Triadic#8E3FA1, #A18E3F
Split complementary#A13F83, #A15D3F
Tetradic#5D3FA1, #A13F52, #83A13F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4E8E1
Lighter +30%#9FDACE
Lighter +20%#7BCBBC
Lighter +10%#56BDA9
Darker −10%#317C6E
Darker −20%#22584D
Darker −30%#14332D
Darker −40%#060E0D
More saturated +25%#23BD9F
Less saturated −25%#5B857D

Channel breakdown

R63
G161
B142
Red63 (24.7%)
Green161 (63.1%)
Blue142 (55.7%)
Hue168.37°
Saturation (HSL)43.75%
Lightness43.92%
Dominant channelGreen
Hex per channelR 3F · G A1 · B 8E

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Every value on this page was computed from “3fa18e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.