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Colour

#F18B03

  • #F18B03
  • Orange
  • Dark
  • Nearest: Dark orange

#F18B03 is a orange with RGB values 241, 139, 3 and HSL 34°, 98%, 48%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#F18B03#F18B03
HEX#F18B03
RGBrgb(241, 139, 3)
RGB (0–1)0.9451, 0.5451, 0.0118
RGB percentages94.5%, 54.5%, 1.2%
HSLhsl(34.3, 97.5%, 47.8%)
HSV / HSBhsv(34.3, 98.8%, 94.5%)
CMYK0%, 42.3%, 98.8%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,829,763
CSS custom property--colour: #F18B03;

Brightness & contrast

Relative luminance0.37173WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.43:1
Contrast with white2.49:1WCAG normal text: Fail
Contrast with black8.43:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#0E74FC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AB9600no red cones; affects about 1% of men; ΔE 37.7 from the original
Deuteranopia#C3AD05no green cones; the most common form, about 1% of men; ΔE 38.1 from the original
Tritanopia#FF7377no blue cones; rare, and affects men and women equally; ΔE 53.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.49:1WCAG large text: Fail
Contrast with black, large text8.43:1WCAG large text: AAA

Named colours

Dark orange · ΔE 6.1Orange · ΔE 12.4Chocolate · ΔE 20.5Goldenrod · ΔE 23.8Dark goldenrod · ΔE 25.4Peru · ΔE 27.6
Nearest named CSS colourDark orange (#FF8C00)ΔE 6.14, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0369F1
Analogous#F11403, #E0F103
Triadic#03F18B, #8B03F1
Split complementary#03E0F1, #1403F1
Tetradic#03F114, #0369F1, #F103E0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEE4C2
Lighter +30%#FECE8F
Lighter +20%#FDB85D
Lighter +10%#FCA22B
Darker −10%#BF6E02
Darker −20%#8C5102
Darker −30%#5A3401
Darker −40%#281700
More saturated +25%#F48B00
Less saturated −25%#D38721

Channel breakdown

R241
G139
B3
Red241 (94.5%)
Green139 (54.5%)
Blue3 (1.2%)
Hue34.29°
Saturation (HSL)97.54%
Lightness47.84%
Dominant channelRed
Hex per channelR F1 · G 8B · B 03

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Every value on this page was computed from “f18b03” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.