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Recognised as Colour

#28655F

  • #28655F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#28655F is a cyan with RGB values 40, 101, 95 and HSL 174°, 43%, 28%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#28655F#28655F
HEX#28655F
RGBrgb(40, 101, 95)
RGB (0–1)0.1569, 0.3961, 0.3725
RGB percentages15.7%, 39.6%, 37.3%
HSLhsl(174.1, 43.3%, 27.6%)
HSV / HSBhsv(174.1, 60.4%, 39.6%)
CMYK60.4%, 0%, 5.9%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,647,391
CSS custom property--colour: #28655F;

Brightness & contrast

Relative luminance0.10585WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.74:1
Contrast with white6.74:1WCAG normal text: AA
Contrast with black3.12:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#D79AA0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#60605Fno red cones; affects about 1% of men; ΔE 21.3 from the original
Deuteranopia#565960no green cones; the most common form, about 1% of men; ΔE 21.7 from the original
Tritanopia#006763no blue cones; rare, and affects men and women equally; ΔE 5.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.74:1WCAG large text: AAA
Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 12.2Teal · ΔE 13.5Dark cyan · ΔE 17.6Dim grey · ΔE 22Cadetblue · ΔE 22.9Slate grey · ΔE 24.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.19, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#65282E
Analogous#286541, #284D65
Triadic#5F2865, #655F28
Split complementary#65284D, #654128
Tetradic#402865, #65282E, #4C6528

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#89D0C9
Lighter +30%#64C2B9
Lighter +20%#45AEA4
Lighter +10%#368A81
Darker −10%#1A403D
Darker −20%#0B1C1A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#16776D
Less saturated −25%#3A5351

Channel breakdown

R40
G101
B95
Red40 (15.7%)
Green101 (39.6%)
Blue95 (37.3%)
Hue174.1°
Saturation (HSL)43.26%
Lightness27.65%
Dominant channelGreen
Hex per channelR 28 · G 65 · B 5F

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Every value on this page was computed from “28655f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.