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Recognised as Colour

#28FFDB

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

#28FFDB is a cyan with RGB values 40, 255, 219 and HSL 170°, 100%, 58%. It is a light colour, so black text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#28FFDB#28FFDB
HEX#28FFDB
RGBrgb(40, 255, 219)
RGB (0–1)0.1569, 1, 0.8588
RGB percentages15.7%, 100%, 85.9%
HSLhsl(170, 100%, 57.8%)
HSV / HSBhsv(170, 84.3%, 100%)
CMYK84.3%, 0%, 14.1%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,686,939
CSS custom property--colour: #28FFDB;

Brightness & contrast

Relative luminance0.77086WCAG 2.x, 0 is black and 1 is white
Perceived brightness210 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.42:1
Contrast with white1.28:1WCAG normal text: Fail
Contrast with black16.42:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#D70024

Colour vision & accessibility

Protanopia#F5EED9no red cones; affects about 1% of men; ΔE 55.9 from the original
Deuteranopia#DBDCDEno green cones; the most common form, about 1% of men; ΔE 56.7 from the original
Tritanopia#00FFF4no blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.28:1WCAG large text: Fail
Contrast with black, large text16.42:1WCAG large text: AAA

Named colours

Nearest named CSS colourAquamarine (#7FFFD4)ΔE 12.66, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#FF284C
Analogous#28FF70, #28B7FF
Triadic#DB28FF, #FFDB28
Split complementary#FF28B7, #FF7028
Tetradic#7028FF, #FF284C, #B7FF28

Tints, shades & saturation

Lighter +40%#F4FFFD
Lighter +30%#C1FFF5
Lighter +20%#8EFFEC
Lighter +10%#5BFFE4
Darker −10%#00F4CB
Darker −20%#00C1A1
Darker −30%#008E76
Darker −40%#005B4C
More saturated +25%#28FFDB
Less saturated −25%#43E4C9

Channel breakdown

R40
G255
B219
Red40 (15.7%)
Green255 (100%)
Blue219 (85.9%)
Hue169.95°
Saturation (HSL)100%
Lightness57.84%
Dominant channelGreen
Hex per channelR 28 · G FF · B DB

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