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Recognised as Colour

#09ACE4

  • #09ACE4
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#09ACE4 is a cyan with RGB values 9, 172, 228 and HSL 195°, 92%, 46%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#09ACE4#09ACE4
HEX#09ACE4
RGBrgb(9, 172, 228)
RGB (0–1)0.0353, 0.6745, 0.8941
RGB percentages3.5%, 67.5%, 89.4%
HSLhsl(195.3, 92.4%, 46.5%)
HSV / HSBhsv(195.3, 96.1%, 89.4%)
CMYK96.1%, 24.6%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer634,084
CSS custom property--colour: #09ACE4;

Brightness & contrast

Relative luminance0.35165WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.03:1
Contrast with white2.61:1WCAG normal text: Fail
Contrast with black8.03:1WCAG normal text: AAA
Greyscale equivalent#8D8D8D
Inverted#F6531B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8FAAE7no red cones; affects about 1% of men; ΔE 23.2 from the original
Deuteranopia#7598E3no green cones; the most common form, about 1% of men; ΔE 25.4 from the original
Tritanopia#00BBBFno blue cones; rare, and affects men and women equally; ΔE 32.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.61:1WCAG large text: Fail
Contrast with black, large text8.03:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 8Light skyblue · ΔE 18Steel blue · ΔE 19.5Sky blue · ΔE 21.7Cornflower blue · ΔE 28.7Light steelblue · ΔE 30.5
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 7.96, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E44109
Analogous#09E4AF, #093EE4
Triadic#E409AC, #ACE409
Split complementary#E4093E, #E4AF09
Tetradic#AF09E4, #E44109, #3EE409

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDECFC
Lighter +30%#8CDEFA
Lighter +20%#5AD0F9
Lighter +10%#29C2F7
Darker −10%#0787B3
Darker −20%#056282
Darker −30%#033D51
Darker −40%#011820
More saturated +25%#00B0ED
Less saturated −25%#279EC6

Channel breakdown

R9
G172
B228
Red9 (3.5%)
Green172 (67.5%)
Blue228 (89.4%)
Hue195.34°
Saturation (HSL)92.41%
Lightness46.47%
Dominant channelBlue
Hex per channelR 09 · G AC · B E4

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Every value on this page was computed from “09ace4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.