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Recognised as Colour

#170C01

  • #170C01
  • Orange
  • Dark
  • Nearest: Black

#170C01 is a orange with RGB values 23, 12, 1 and HSL 30°, 92%, 5%. It is a dark colour, so white text on it reaches 19.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#170C01#170C01
HEX#170C01
RGBrgb(23, 12, 1)
RGB (0–1)0.0902, 0.0471, 0.0039
RGB percentages9%, 4.7%, 0.4%
HSLhsl(30, 91.7%, 4.7%)
HSV / HSBhsv(30, 95.7%, 9%)
CMYK0%, 47.8%, 95.7%, 91%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,510,401
CSS custom property--colour: #170C01;

Brightness & contrast

Relative luminance0.00447WCAG 2.x, 0 is black and 1 is white
Perceived brightness15.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.28:1
Contrast with white19.28:1WCAG normal text: AAA
Contrast with black1.09:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#E8F3FE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#100D00no red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#120F01no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#1A0909no blue cones; rare, and affects men and women equally; ΔE 5.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.28:1WCAG large text: AAA
Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 7.5Dark slate grey · ΔE 32.2Dim grey · ΔE 40.9Gray · ΔE 49.9Dark olivegreen · ΔE 50.4Slate grey · ΔE 51.7
Nearest named CSS colourBlack (#000000)ΔE 7.47, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#010C17
Analogous#170101, #171701
Triadic#01170C, #0C0117
Split complementary#011717, #010117
Tetradic#011701, #010C17, #170117

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DA720A
Lighter +30%#AA5907
Lighter +20%#793F05
Lighter +10%#482603
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#180C00
Less saturated −25%#140C04

Channel breakdown

R23
G12
B1
Red23 (9%)
Green12 (4.7%)
Blue1 (0.4%)
Hue30°
Saturation (HSL)91.67%
Lightness4.71%
Dominant channelRed
Hex per channelR 17 · G 0C · B 01

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Every value on this page was computed from “170c01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.