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Recognised as Colour

#11554F

  • #11554F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#11554F is a cyan with RGB values 17, 85, 79 and HSL 175°, 67%, 20%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#11554F#11554F
HEX#11554F
RGBrgb(17, 85, 79)
RGB (0–1)0.0667, 0.3333, 0.3098
RGB percentages6.7%, 33.3%, 31%
HSLhsl(174.7, 66.7%, 20%)
HSV / HSBhsv(174.7, 80%, 33.3%)
CMYK80%, 0%, 7.1%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,135,951
CSS custom property--colour: #11554F;

Brightness & contrast

Relative luminance0.07181WCAG 2.x, 0 is black and 1 is white
Perceived brightness71 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.62:1
Contrast with white8.62:1WCAG normal text: AAA
Contrast with black2.44:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#EEAAB0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#50504Fno red cones; affects about 1% of men; ΔE 21.9 from the original
Deuteranopia#474950no green cones; the most common form, about 1% of men; ΔE 22.8 from the original
Tritanopia#005753no blue cones; rare, and affects men and women equally; ΔE 2.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.62:1WCAG large text: AAA
Contrast with black, large text2.44:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.3Teal · ΔE 18.5Dark cyan · ΔE 22.8Dim grey · ΔE 25.1Cadetblue · ΔE 29.4Slate grey · ΔE 29.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.26, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#551117
Analogous#11552D, #113955
Triadic#4F1155, #554F11
Split complementary#551139, #552D11
Tetradic#2D1155, #551117, #395511

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#55DDD1
Lighter +30%#2AD5C6
Lighter +20%#22AA9E
Lighter +10%#198077
Darker −10%#092B28
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#04625A
Less saturated −25%#1E4845

Channel breakdown

R17
G85
B79
Red17 (6.7%)
Green85 (33.3%)
Blue79 (31%)
Hue174.71°
Saturation (HSL)66.67%
Lightness20%
Dominant channelGreen
Hex per channelR 11 · G 55 · B 4F

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Every value on this page was computed from “11554f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.