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Recognised as Colour

#3FFECF

  • #3FFECF
  • Cyan
  • Light
  • Nearest: Aquamarine

#3FFECF is a cyan with RGB values 63, 254, 207 and HSL 165°, 99%, 62%. It is a light colour, so black text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#3FFECF#3FFECF
HEX#3FFECF
RGBrgb(63, 254, 207)
RGB (0–1)0.2471, 0.9961, 0.8118
RGB percentages24.7%, 99.6%, 81.2%
HSLhsl(165.2, 99%, 62.2%)
HSV / HSBhsv(165.2, 75.2%, 99.6%)
CMYK75.2%, 0%, 18.5%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,193,999
CSS custom property--colour: #3FFECF;

Brightness & contrast

Relative luminance0.76445WCAG 2.x, 0 is black and 1 is white
Perceived brightness209.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.29:1
Contrast with white1.29:1WCAG normal text: Fail
Contrast with black16.29:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#C00130

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F6EDCDno red cones; affects about 1% of men; ΔE 55.4 from the original
Deuteranopia#DEDBD2no green cones; the most common form, about 1% of men; ΔE 56.6 from the original
Tritanopia#00FFF0no blue cones; rare, and affects men and women equally; ΔE 16.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.29:1WCAG large text: Fail
Contrast with black, large text16.29:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 11.6Turquoise · ΔE 20.5Medium aquamarine · ΔE 23.5Aqua · ΔE 25Cyan · ΔE 25Medium spring green · ΔE 27.1
Nearest named CSS colourAquamarine (#7FFFD4)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#FE3F6E
Analogous#3FFE70, #3FCDFE
Triadic#CF3FFE, #FECF3F
Split complementary#FE3FCD, #FE703F
Tetradic#703FFE, #FE3F6E, #CDFE3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D7FFF5
Lighter +20%#A4FFE8
Lighter +10%#72FEDC
Darker −10%#0CFEC2
Darker −20%#01D6A2
Darker −30%#01A37B
Darker −40%#017055
More saturated +25%#3EFFD0
Less saturated −25%#57E6C3

Channel breakdown

R63
G254
B207
Red63 (24.7%)
Green254 (99.6%)
Blue207 (81.2%)
Hue165.24°
Saturation (HSL)98.96%
Lightness62.16%
Dominant channelGreen
Hex per channelR 3F · G FE · B CF

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