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Recognised as Colour

#87A8A9

  • #87A8A9
  • Cyan
  • Dark
  • Nearest: Cadetblue

#87A8A9 is a cyan with RGB values 135, 168, 169 and HSL 182°, 17%, 60%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#87A8A9#87A8A9
HEX#87A8A9
RGBrgb(135, 168, 169)
RGB (0–1)0.5294, 0.6588, 0.6627
RGB percentages52.9%, 65.9%, 66.3%
HSLhsl(181.8, 16.5%, 59.6%)
HSV / HSBhsv(181.8, 20.1%, 66.3%)
CMYK20.1%, 0.6%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,890,537
CSS custom property--colour: #87A8A9;

Brightness & contrast

Relative luminance0.36021WCAG 2.x, 0 is black and 1 is white
Perceived brightness159 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.2:1
Contrast with white2.56:1WCAG normal text: Fail
Contrast with black8.2:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#785756

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A3A5A9no red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#9DA0A9no green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#7CAAA8no blue cones; rare, and affects men and women equally; ΔE 4.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.56:1WCAG large text: Fail
Contrast with black, large text8.2:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 10.7Dark grey · ΔE 12.1Light slate grey · ΔE 15.4Silver · ΔE 16.3Slate grey · ΔE 17.5Gray · ΔE 17.5
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 10.68, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A98887
Analogous#87A999, #8797A9
Triadic#A987A8, #A8A987
Split complementary#A98797, #A99987
Tetradic#9987A9, #A98887, #97A987

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFEFE
Lighter +30%#E0E9E9
Lighter +20%#C2D3D4
Lighter +10%#A5BEBE
Darker −10%#6A9293
Darker −20%#547576
Darker −30%#3F5758
Darker −40%#2A3A3A
More saturated +25%#6DC0C3
Less saturated −25%#989898

Channel breakdown

R135
G168
B169
Red135 (52.9%)
Green168 (65.9%)
Blue169 (66.3%)
Hue181.76°
Saturation (HSL)16.5%
Lightness59.61%
Dominant channelBlue
Hex per channelR 87 · G A8 · B A9

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Every value on this page was computed from “87a8a9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.