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Recognised as Colour

#866B01

  • #866B01
  • Yellow
  • Dark
  • Nearest: Olive

#866B01 is a yellow with RGB values 134, 107, 1 and HSL 48°, 99%, 26%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Olive.

Colour values

#866B01#866B01
HEX#866B01
RGBrgb(134, 107, 1)
RGB (0–1)0.5255, 0.4196, 0.0039
RGB percentages52.5%, 42%, 0.4%
HSLhsl(47.8, 98.5%, 26.5%)
HSV / HSBhsv(47.8, 99.3%, 52.5%)
CMYK0%, 20.1%, 99.3%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,809,217
CSS custom property--colour: #866B01;

Brightness & contrast

Relative luminance0.15586WCAG 2.x, 0 is black and 1 is white
Perceived brightness110 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.1:1
Contrast with white5.1:1WCAG normal text: AA
Contrast with black4.12:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#7994FE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#796A00no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#7F710Cno green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#92605Ano blue cones; rare, and affects men and women equally; ΔE 44.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.1:1WCAG large text: AAA
Contrast with black, large text4.12:1WCAG large text: AA

Named colours

Olive · ΔE 16.1Dark goldenrod · ΔE 18.1Peru · ΔE 25.4Saddle brown · ΔE 28.9Goldenrod · ΔE 29.9Dark olivegreen · ΔE 30.5
Nearest named CSS colourOlive (#808000)ΔE 16.07, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#011C86
Analogous#862901, #5E8601
Triadic#01866B, #6B0186
Split complementary#015F86, #290186
Tetradic#018629, #011C86, #86015F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEDC55
Lighter +30%#FDD123
Lighter +20%#EBBC02
Lighter +10%#B99301
Darker −10%#534301
Darker −20%#211A00
Darker −30%#000000
Darker −40%#000000
More saturated +25%#876C00
Less saturated −25%#756112

Channel breakdown

R134
G107
B1
Red134 (52.5%)
Green107 (42%)
Blue1 (0.4%)
Hue47.82°
Saturation (HSL)98.52%
Lightness26.47%
Dominant channelRed
Hex per channelR 86 · G 6B · B 01

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Every value on this page was computed from “866b01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.