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Recognised as Colour

#28F7EF

  • #28F7EF
  • Cyan
  • Light
  • Nearest: Aqua

#28F7EF is a cyan with RGB values 40, 247, 239 and HSL 178°, 93%, 56%. It is a light colour, so black text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#28F7EF#28F7EF
HEX#28F7EF
RGBrgb(40, 247, 239)
RGB (0–1)0.1569, 0.9686, 0.9373
RGB percentages15.7%, 96.9%, 93.7%
HSLhsl(177.7, 92.8%, 56.3%)
HSV / HSBhsv(177.7, 83.8%, 96.9%)
CMYK83.8%, 0%, 3.2%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,684,911
CSS custom property--colour: #28F7EF;

Brightness & contrast

Relative luminance0.73205WCAG 2.x, 0 is black and 1 is white
Perceived brightness206.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.64:1
Contrast with white1.34:1WCAG normal text: Fail
Contrast with black15.64:1WCAG normal text: AAA
Greyscale equivalent#CACACA
Inverted#D70810

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E8EAEFno red cones; affects about 1% of men; ΔE 48.7 from the original
Deuteranopia#CDD6F1no green cones; the most common form, about 1% of men; ΔE 50.4 from the original
Tritanopia#00FEF4no blue cones; rare, and affects men and women equally; ΔE 3.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.34:1WCAG large text: Fail
Contrast with black, large text15.64:1WCAG large text: AAA

Named colours

Aqua · ΔE 5.2Cyan · ΔE 5.2Turquoise · ΔE 9.9Medium turquoise · ΔE 15.7Dark turquoise · ΔE 15.8Aquamarine · ΔE 19.8
Nearest named CSS colourAqua (#00FFFF)ΔE 5.2, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F72830
Analogous#28F788, #2897F7
Triadic#EF28F7, #F7EF28
Split complementary#F72897, #F78828
Tetradic#8828F7, #F72830, #97F728

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDFEFE
Lighter +30%#BCFCFA
Lighter +20%#8AFBF6
Lighter +10%#59F9F3
Darker −10%#08E4DB
Darker −20%#07B2AC
Darker −30%#05817C
Darker −40%#03504D
More saturated +25%#20FFF6
Less saturated −25%#44DBD5

Channel breakdown

R40
G247
B239
Red40 (15.7%)
Green247 (96.9%)
Blue239 (93.7%)
Hue177.68°
Saturation (HSL)92.83%
Lightness56.27%
Dominant channelGreen
Hex per channelR 28 · G F7 · B EF

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Every value on this page was computed from “28f7ef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.