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Recognised as Colour

#25543F

  • #25543F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#25543F is a cyan with RGB values 37, 84, 63 and HSL 153°, 39%, 24%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#25543F#25543F
HEX#25543F
RGBrgb(37, 84, 63)
RGB (0–1)0.1451, 0.3294, 0.2471
RGB percentages14.5%, 32.9%, 24.7%
HSLhsl(153.2, 38.8%, 23.7%)
HSV / HSBhsv(153.2, 56%, 32.9%)
CMYK56%, 0%, 25%, 67.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,446,399
CSS custom property--colour: #25543F;

Brightness & contrast

Relative luminance0.07093WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.68:1
Contrast with white8.68:1WCAG normal text: AAA
Contrast with black2.42:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#DAABC0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#534E3Eno red cones; affects about 1% of men; ΔE 21 from the original
Deuteranopia#4C4940no green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#15544Eno blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.68:1WCAG large text: AAA
Contrast with black, large text2.42:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.1Teal · ΔE 23.8Dark olivegreen · ΔE 25.5Dim grey · ΔE 26.1Dark cyan · ΔE 27.5Sea green · ΔE 29.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#54253A
Analogous#255427, #255254
Triadic#3F2554, #543F25
Split complementary#542551, #542725
Tetradic#282554, #54253A, #525425

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7FC6A6
Lighter +30%#5BB78E
Lighter +20%#449B74
Lighter +10%#35775A
Darker −10%#153124
Darker −20%#060D0A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#166341
Less saturated −25%#34453D

Channel breakdown

R37
G84
B63
Red37 (14.5%)
Green84 (32.9%)
Blue63 (24.7%)
Hue153.19°
Saturation (HSL)38.84%
Lightness23.73%
Dominant channelGreen
Hex per channelR 25 · G 54 · B 3F

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Every value on this page was computed from “25543f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.