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Recognised as Colour

#175D45

  • #175D45
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#175D45 is a cyan with RGB values 23, 93, 69 and HSL 159°, 60%, 23%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#175D45#175D45
HEX#175D45
RGBrgb(23, 93, 69)
RGB (0–1)0.0902, 0.3647, 0.2706
RGB percentages9%, 36.5%, 27.1%
HSLhsl(159.4, 60.3%, 22.7%)
HSV / HSBhsv(159.4, 75.3%, 36.5%)
CMYK75.3%, 0%, 25.8%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,531,205
CSS custom property--colour: #175D45;

Brightness & contrast

Relative luminance0.08441WCAG 2.x, 0 is black and 1 is white
Perceived brightness76 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.81:1
Contrast with white7.81:1WCAG normal text: AAA
Contrast with black2.69:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#E8A2BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B5644no red cones; affects about 1% of men; ΔE 26.8 from the original
Deuteranopia#524F47no green cones; the most common form, about 1% of men; ΔE 27.6 from the original
Tritanopia#005D56no blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.81:1WCAG large text: AAA
Contrast with black, large text2.69:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.1Teal · ΔE 21Sea green · ΔE 23.9Dark cyan · ΔE 24.2Dark olivegreen · ΔE 25.7Dim grey · ΔE 30.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D172F
Analogous#175D22, #17525D
Triadic#45175D, #5D4517
Split complementary#5D1752, #5D2217
Tetradic#22175D, #5D172F, #525D17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#67D9B2
Lighter +30%#3ECF9D
Lighter +20%#2BAF82
Lighter +10%#218663
Darker −10%#0D3427
Darker −20%#030B08
Darker −30%#000000
Darker −40%#000000
More saturated +25%#096B4A
Less saturated −25%#264F40

Channel breakdown

R23
G93
B69
Red23 (9%)
Green93 (36.5%)
Blue69 (27.1%)
Hue159.43°
Saturation (HSL)60.34%
Lightness22.75%
Dominant channelGreen
Hex per channelR 17 · G 5D · B 45

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Every value on this page was computed from “175d45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.