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Recognised as Colour

#90878F

  • #90878F
  • Grey
  • Dark
  • Nearest: Gray

#90878F is a grey with RGB values 144, 135, 143 and HSL 307°, 4%, 55%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Gray.

Colour values

#90878F#90878F
HEX#90878F
RGBrgb(144, 135, 143)
RGB (0–1)0.5647, 0.5294, 0.5608
RGB percentages56.5%, 52.9%, 56.1%
HSLhsl(306.7, 3.9%, 54.7%)
HSV / HSBhsv(306.7, 6.2%, 56.5%)
CMYK0%, 6.2%, 0.7%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,471,887
CSS custom property--colour: #90878F;

Brightness & contrast

Relative luminance0.2524WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.05:1
Contrast with white3.47:1WCAG normal text: Fail
Contrast with black6.05:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#6F7870

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#87898Fno red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#898A8Fno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#91878Ano blue cones; rare, and affects men and women equally; ΔE 2.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.47:1WCAG large text: AA
Contrast with black, large text6.05:1WCAG large text: AAA

Named colours

Gray · ΔE 6.9Light slate grey · ΔE 10.8Slate grey · ΔE 11.2Dark grey · ΔE 13.3Dim grey · ΔE 14.1Rosy brown · ΔE 16.7
Nearest named CSS colourGray (#808080)ΔE 6.87, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#879088
Analogous#8D8790, #90878B
Triadic#8F9087, #878F90
Split complementary#8B9087, #87908D
Tetradic#908D87, #879088, #878B90

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F1F2
Lighter +30%#DAD6D9
Lighter +20%#C1BCC0
Lighter +10%#A9A1A8
Darker −10%#766E75
Darker −20%#5C555B
Darker −30%#413D41
Darker −40%#272427
More saturated +25%#AD6AA5
Less saturated −25%#8C8C8C

Channel breakdown

R144
G135
B143
Red144 (56.5%)
Green135 (52.9%)
Blue143 (56.1%)
Hue306.67°
Saturation (HSL)3.9%
Lightness54.71%
Dominant channelRed
Hex per channelR 90 · G 87 · B 8F

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Every value on this page was computed from “90878f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.