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Recognised as Colour

#3FA688

  • #3FA688
  • Cyan
  • Dark
  • Nearest: Light seagreen

#3FA688 is a cyan with RGB values 63, 166, 136 and HSL 163°, 45%, 45%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#3FA688#3FA688
HEX#3FA688
RGBrgb(63, 166, 136)
RGB (0–1)0.2471, 0.651, 0.5333
RGB percentages24.7%, 65.1%, 53.3%
HSLhsl(162.5, 45%, 44.9%)
HSV / HSBhsv(162.5, 62%, 65.1%)
CMYK62%, 0%, 18.1%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,171,400
CSS custom property--colour: #3FA688;

Brightness & contrast

Relative luminance0.30107WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.02:1
Contrast with white2.99:1WCAG normal text: Fail
Contrast with black7.02:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#C05977

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A19B87no red cones; affects about 1% of men; ΔE 36.1 from the original
Deuteranopia#93918Ano green cones; the most common form, about 1% of men; ΔE 36.6 from the original
Tritanopia#00A79Dno blue cones; rare, and affects men and women equally; ΔE 12 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.99:1WCAG large text: Fail
Contrast with black, large text7.02:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 13.7Medium aquamarine · ΔE 14.1Sea green · ΔE 16.9Dark cyan · ΔE 19.6Dark seagreen · ΔE 20.2Medium seagreen · ΔE 21
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 13.75, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A63F5D
Analogous#3FA655, #3F90A6
Triadic#883FA6, #A6883F
Split complementary#A63F90, #A6553F
Tetradic#553FA6, #A63F5D, #90A63F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7EAE0
Lighter +30%#A2DCCB
Lighter +20%#7DCEB6
Lighter +10%#58C0A2
Darker −10%#31816A
Darker −20%#235C4B
Darker −30%#15372D
Darker −40%#07120F
More saturated +25%#22C394
Less saturated −25%#5C897C

Channel breakdown

R63
G166
B136
Red63 (24.7%)
Green166 (65.1%)
Blue136 (53.3%)
Hue162.52°
Saturation (HSL)44.98%
Lightness44.9%
Dominant channelGreen
Hex per channelR 3F · G A6 · B 88

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Every value on this page was computed from “3fa688” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.