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Recognised as Colour

#28FFCF

  • #28FFCF
  • Cyan
  • Light
  • Nearest: Aquamarine

#28FFCF is a cyan with RGB values 40, 255, 207 and HSL 167°, 100%, 58%. 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

#28FFCF#28FFCF
HEX#28FFCF
RGBrgb(40, 255, 207)
RGB (0–1)0.1569, 1, 0.8118
RGB percentages15.7%, 100%, 81.2%
HSLhsl(166.6, 100%, 57.8%)
HSV / HSBhsv(166.6, 84.3%, 100%)
CMYK84.3%, 0%, 18.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,686,927
CSS custom property--colour: #28FFCF;

Brightness & contrast

Relative luminance0.76476WCAG 2.x, 0 is black and 1 is white
Perceived brightness208.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.3:1
Contrast with white1.29:1WCAG normal text: Fail
Contrast with black16.3:1WCAG normal text: AAA
Greyscale equivalent#CECECE
Inverted#D70030

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F7EDCDno red cones; affects about 1% of men; ΔE 58.2 from the original
Deuteranopia#DDDBD2no green cones; the most common form, about 1% of men; ΔE 58.7 from the original
Tritanopia#00FFF1no blue cones; rare, and affects men and women equally; ΔE 18.3 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 text16.3:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 14Turquoise · ΔE 22.1Medium aquamarine · ΔE 25.5Medium spring green · ΔE 26Aqua · ΔE 26Cyan · ΔE 26
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 13.98, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF2858
Analogous#28FF63, #28C4FF
Triadic#CF28FF, #FFCF28
Split complementary#FF28C4, #FF6328
Tetradic#6328FF, #FF2858, #C4FF28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4FFFD
Lighter +30%#C1FFF1
Lighter +20%#8EFFE6
Lighter +10%#5BFFDA
Darker −10%#00F4BE
Darker −20%#00C196
Darker −30%#008E6E
Darker −40%#005B47
More saturated +25%#28FFCF
Less saturated −25%#43E4C0

Channel breakdown

R40
G255
B207
Red40 (15.7%)
Green255 (100%)
Blue207 (81.2%)
Hue166.6°
Saturation (HSL)100%
Lightness57.84%
Dominant channelGreen
Hex per channelR 28 · G FF · B CF

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Every value on this page was computed from “28ffcf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.