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Colour

#90AAAF

  • #90AAAF
  • Cyan
  • Dark
  • Nearest: Dark grey

#90AAAF is a cyan with RGB values 144, 170, 175 and HSL 190°, 16%, 63%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#90AAAF#90AAAF
HEX#90AAAF
RGBrgb(144, 170, 175)
RGB (0–1)0.5647, 0.6667, 0.6863
RGB percentages56.5%, 66.7%, 68.6%
HSLhsl(189.7, 16.2%, 62.5%)
HSV / HSBhsv(189.7, 17.7%, 68.6%)
CMYK17.7%, 2.9%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,480,879
CSS custom property--colour: #90AAAF;

Brightness & contrast

Relative luminance0.37774WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.55:1
Contrast with white2.45:1WCAG normal text: Fail
Contrast with black8.55:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#6F5550

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A5A8AFno red cones; affects about 1% of men; ΔE 8.4 from the original
Deuteranopia#A0A4AFno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#87ADABno blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.45:1WCAG large text: Fail
Contrast with black, large text8.55:1WCAG large text: AAA

Named colours

Dark grey · ΔE 9.7Cadetblue · ΔE 13.7Silver · ΔE 13.8Light slate grey · ΔE 14.3Light steelblue · ΔE 15.8Slate grey · ΔE 16.8
Nearest named CSS colourDark grey (#A9A9A9)ΔE 9.73, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF9590
Analogous#90AFA5, #909AAF
Triadic#AF90AA, #AAAF90
Split complementary#AF909A, #AFA590
Tetradic#A590AF, #AF9590, #9BAF90

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E9EEEF
Lighter +20%#CBD7DA
Lighter +10%#AEC1C4
Darker −10%#72939A
Darker −20%#5B787E
Darker −30%#465C60
Darker −40%#304043
More saturated +25%#78BAC7
Less saturated −25%#A0A0A0

Channel breakdown

R144
G170
B175
Red144 (56.5%)
Green170 (66.7%)
Blue175 (68.6%)
Hue189.68°
Saturation (HSL)16.23%
Lightness62.55%
Dominant channelBlue
Hex per channelR 90 · G AA · B AF

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Every value on this page was computed from “90aaaf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.