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Recognised as Colour

#25554B

  • #25554B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#25554B is a cyan with RGB values 37, 85, 75 and HSL 168°, 39%, 24%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#25554B#25554B
HEX#25554B
RGBrgb(37, 85, 75)
RGB (0–1)0.1451, 0.3333, 0.2941
RGB percentages14.5%, 33.3%, 29.4%
HSLhsl(167.5, 39.3%, 23.9%)
HSV / HSBhsv(167.5, 56.5%, 33.3%)
CMYK56.5%, 0%, 11.8%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,446,667
CSS custom property--colour: #25554B;

Brightness & contrast

Relative luminance0.07398WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.47:1
Contrast with white8.47:1WCAG normal text: AAA
Contrast with black2.48:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#DAAAB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#52504Bno red cones; affects about 1% of men; ΔE 19.1 from the original
Deuteranopia#4A4B4Cno green cones; the most common form, about 1% of men; ΔE 19 from the original
Tritanopia#0C5652no 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 text8.47:1WCAG large text: AAA
Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.8Teal · ΔE 20.6Dim grey · ΔE 22.4Dark cyan · ΔE 24.7Gray · ΔE 28.3Slate grey · ΔE 28.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.82, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#55252F
Analogous#255533, #254755
Triadic#4B2555, #554B25
Split complementary#552547, #553325
Tetradic#332555, #55252F, #475525

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7FC7B8
Lighter +30%#5BB8A4
Lighter +20%#449C8A
Lighter +10%#34796A
Darker −10%#16312C
Darker −20%#060E0C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#166454
Less saturated −25%#344642

Channel breakdown

R37
G85
B75
Red37 (14.5%)
Green85 (33.3%)
Blue75 (29.4%)
Hue167.5°
Saturation (HSL)39.34%
Lightness23.92%
Dominant channelGreen
Hex per channelR 25 · G 55 · B 4B

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Every value on this page was computed from “25554b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.