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Colour

#FF7B03

  • #FF7B03
  • Orange
  • Dark
  • Nearest: Dark orange

#FF7B03 is a orange with RGB values 255, 123, 3 and HSL 29°, 100%, 51%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF7B03#FF7B03
HEX#FF7B03
RGBrgb(255, 123, 3)
RGB (0–1)1, 0.4824, 0.0118
RGB percentages100%, 48.2%, 1.2%
HSLhsl(28.6, 100%, 50.6%)
HSV / HSBhsv(28.6, 98.8%, 100%)
CMYK0%, 51.8%, 98.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,743,171
CSS custom property--colour: #FF7B03;

Brightness & contrast

Relative luminance0.35432WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.09:1
Contrast with white2.6:1WCAG normal text: Fail
Contrast with black8.09:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#0084FC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A28E00no red cones; affects about 1% of men; ΔE 51.5 from the original
Deuteranopia#C2AC00no green cones; the most common form, about 1% of men; ΔE 51.7 from the original
Tritanopia#FF5C69no blue cones; rare, and affects men and women equally; ΔE 49.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.6:1WCAG large text: Fail
Contrast with black, large text8.09:1WCAG large text: AAA

Named colours

Dark orange · ΔE 9.5Chocolate · ΔE 20.8Orange · ΔE 23.9Orange red · ΔE 24.4Coral · ΔE 25.5Tomato · ΔE 29.7
Nearest named CSS colourDark orange (#FF8C00)ΔE 9.45, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0387FF
Analogous#FF0309, #FFF903
Triadic#03FF7B, #7B03FF
Split complementary#03FFF9, #0309FF
Tetradic#09FF03, #0387FF, #F903FF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFE6CF
Lighter +30%#FFCB9C
Lighter +20%#FFB069
Lighter +10%#FF9636
Darker −10%#CF6300
Darker −20%#9C4A00
Darker −30%#693200
Darker −40%#361A00
More saturated +25%#FF7B03
Less saturated −25%#E07C22

Channel breakdown

R255
G123
B3
Red255 (100%)
Green123 (48.2%)
Blue3 (1.2%)
Hue28.57°
Saturation (HSL)100%
Lightness50.59%
Dominant channelRed
Hex per channelR FF · G 7B · B 03

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Every value on this page was computed from “ff7b03” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.