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Recognised as Colour

#FB670A

  • #FB670A
  • Orange
  • Dark
  • Nearest: Orange red

#FB670A is a orange with RGB values 251, 103, 10 and HSL 23°, 97%, 51%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Orange red.

Colour values

#FB670A#FB670A
HEX#FB670A
RGBrgb(251, 103, 10)
RGB (0–1)0.9843, 0.4039, 0.0392
RGB percentages98.4%, 40.4%, 3.9%
HSLhsl(23.2, 96.8%, 51.2%)
HSV / HSBhsv(23.2, 96%, 98.4%)
CMYK0%, 59%, 96%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,475,914
CSS custom property--colour: #FB670A;

Brightness & contrast

Relative luminance0.30232WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.05:1
Contrast with white2.98:1WCAG normal text: Fail
Contrast with black7.05:1WCAG normal text: AAA
Greyscale equivalent#808080
Inverted#0498F5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#928000no red cones; affects about 1% of men; ΔE 59.2 from the original
Deuteranopia#B6A200no green cones; the most common form, about 1% of men; ΔE 59.8 from the original
Tritanopia#FF4059no blue cones; rare, and affects men and women equally; ΔE 42.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.98:1WCAG large text: Fail
Contrast with black, large text7.05:1WCAG large text: AAA

Named colours

Orange red · ΔE 15.2Dark orange · ΔE 19.2Chocolate · ΔE 21.1Tomato · ΔE 23.1Coral · ΔE 23.6Red · ΔE 28.3
Nearest named CSS colourOrange red (#FF4500)ΔE 15.19, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0A9EFB
Analogous#FB0A25, #FBE00A
Triadic#0AFB67, #670AFB
Split complementary#0AFBDF, #0A26FB
Tetradic#25FB0A, #0A9EFB, #DF0AFB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEE4D3
Lighter +30%#FDC4A1
Lighter +20%#FDA56E
Lighter +10%#FC863C
Darker −10%#CF5203
Darker −20%#9C3E03
Darker −30%#6A2A02
Darker −40%#381601
More saturated +25%#FF6606
Less saturated −25%#DC6E29

Channel breakdown

R251
G103
B10
Red251 (98.4%)
Green103 (40.4%)
Blue10 (3.9%)
Hue23.15°
Saturation (HSL)96.79%
Lightness51.18%
Dominant channelRed
Hex per channelR FB · G 67 · B 0A

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Every value on this page was computed from “fb670a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.