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Recognised as Colour

#FFA11B

  • #FFA11B
  • Orange
  • Dark
  • Nearest: Orange

#FFA11B is a orange with RGB values 255, 161, 27 and HSL 35°, 100%, 55%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FFA11B#FFA11B
HEX#FFA11B
RGBrgb(255, 161, 27)
RGB (0–1)1, 0.6314, 0.1059
RGB percentages100%, 63.1%, 10.6%
HSLhsl(35.3, 100%, 55.3%)
HSV / HSBhsv(35.3, 89.4%, 100%)
CMYK0%, 36.9%, 89.4%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,752,923
CSS custom property--colour: #FFA11B;

Brightness & contrast

Relative luminance0.46829WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.37:1
Contrast with white2.03:1WCAG normal text: Fail
Contrast with black10.37:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#005EE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0A900no red cones; affects about 1% of men; ΔE 32.4 from the original
Deuteranopia#D6BF20no green cones; the most common form, about 1% of men; ΔE 33.3 from the original
Tritanopia#FF8A8Ano blue cones; rare, and affects men and women equally; ΔE 57.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.03:1WCAG large text: Fail
Contrast with black, large text10.37:1WCAG large text: AAA

Named colours

Orange · ΔE 5.2Dark orange · ΔE 11.5Goldenrod · ΔE 18.9Dark goldenrod · ΔE 25Chocolate · ΔE 27.4Sandy brown · ΔE 27.8
Nearest named CSS colourOrange (#FFA500)ΔE 5.24, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B79FF
Analogous#FF2F1B, #EBFF1B
Triadic#1BFFA1, #A11BFF
Split complementary#1BEBFF, #2F1BFF
Tetradic#1BFF2F, #1B79FF, #FF1BEB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFF5E7
Lighter +30%#FFE0B4
Lighter +20%#FFCB81
Lighter +10%#FFB64E
Darker −10%#E78800
Darker −20%#B46A00
Darker −30%#814C00
Darker −40%#4E2E00
More saturated +25%#FFA11B
Less saturated −25%#E39C37

Channel breakdown

R255
G161
B27
Red255 (100%)
Green161 (63.1%)
Blue27 (10.6%)
Hue35.26°
Saturation (HSL)100%
Lightness55.29%
Dominant channelRed
Hex per channelR FF · G A1 · B 1B

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Every value on this page was computed from “ffa11b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.