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Recognised as Colour

#102D2B

  • #102D2B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#102D2B is a cyan with RGB values 16, 45, 43 and HSL 176°, 48%, 12%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#102D2B#102D2B
HEX#102D2B
RGBrgb(16, 45, 43)
RGB (0–1)0.0627, 0.1765, 0.1686
RGB percentages6.3%, 17.6%, 16.9%
HSLhsl(175.9, 47.5%, 12%)
HSV / HSBhsv(175.9, 64.4%, 17.6%)
CMYK64.4%, 0%, 4.4%, 82.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,060,139
CSS custom property--colour: #102D2B;

Brightness & contrast

Relative luminance0.02161WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.66:1
Contrast with white14.66:1WCAG normal text: AAA
Contrast with black1.43:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#EFD2D4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A2A2Bno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#26272Bno green cones; the most common form, about 1% of men; ΔE 12.1 from the original
Tritanopia#012E2Cno blue cones; rare, and affects men and women equally; ΔE 3.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.66:1WCAG large text: AAA
Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15Black · ΔE 20Dim grey · ΔE 30.4Teal · ΔE 36.9Slate grey · ΔE 38.6Gray · ΔE 39
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.04, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2D1012
Analogous#102D1C, #10212D
Triadic#2B102D, #2D2B10
Split complementary#2D1021, #2D1C10
Tetradic#1C102D, #2D1012, #212D10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4ABFB7
Lighter +30%#389E97
Lighter +20%#2B7873
Lighter +10%#1D534F
Darker −10%#030707
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#083532
Less saturated −25%#182524

Channel breakdown

R16
G45
B43
Red16 (6.3%)
Green45 (17.6%)
Blue43 (16.9%)
Hue175.86°
Saturation (HSL)47.54%
Lightness11.96%
Dominant channelGreen
Hex per channelR 10 · G 2D · B 2B

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Every value on this page was computed from “102d2b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.