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Recognised as Colour

#BF5A33

  • #BF5A33
  • Orange
  • Dark
  • Nearest: Sienna

#BF5A33 is a orange with RGB values 191, 90, 51 and HSL 17°, 58%, 47%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#BF5A33#BF5A33
HEX#BF5A33
RGBrgb(191, 90, 51)
RGB (0–1)0.749, 0.3529, 0.2
RGB percentages74.9%, 35.3%, 20%
HSLhsl(16.7, 57.9%, 47.5%)
HSV / HSBhsv(16.7, 73.3%, 74.9%)
CMYK0%, 52.9%, 73.3%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,540,467
CSS custom property--colour: #BF5A33;

Brightness & contrast

Relative luminance0.18628WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.73:1
Contrast with white4.44:1WCAG normal text: Fail
Contrast with black4.73:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#40A5CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#766A2Fno red cones; affects about 1% of men; ΔE 42.2 from the original
Deuteranopia#8E8031no green cones; the most common form, about 1% of men; ΔE 42.7 from the original
Tritanopia#D14551no blue cones; rare, and affects men and women equally; ΔE 24.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.44:1WCAG large text: AA
Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Sienna · ΔE 12Chocolate · ΔE 16.9Saddle brown · ΔE 17.2Coral · ΔE 19.7Brown · ΔE 20.2Indian red · ΔE 20.2
Nearest named CSS colourSienna (#A0522D)ΔE 11.96, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3398BF
Analogous#BF3352, #BFA033
Triadic#33BF5A, #5A33BF
Split complementary#33BFA0, #3352BF
Tetradic#52BF33, #3398BF, #A033BF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2D7CC
Lighter +30%#E7B7A4
Lighter +20%#DC977C
Lighter +10%#D17754
Darker −10%#974728
Darker −20%#6E341E
Darker −30%#462113
Darker −40%#1E0E08
More saturated +25%#DD4D15
Less saturated −25%#A16751

Channel breakdown

R191
G90
B51
Red191 (74.9%)
Green90 (35.3%)
Blue51 (20%)
Hue16.71°
Saturation (HSL)57.85%
Lightness47.45%
Dominant channelRed
Hex per channelR BF · G 5A · B 33

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Every value on this page was computed from “bf5a33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.