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Recognised as Colour

#EFAB05

  • #EFAB05
  • Orange
  • Dark
  • Nearest: Orange

#EFAB05 is a orange with RGB values 239, 171, 5 and HSL 43°, 96%, 48%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#EFAB05#EFAB05
HEX#EFAB05
RGBrgb(239, 171, 5)
RGB (0–1)0.9373, 0.6706, 0.0196
RGB percentages93.7%, 67.1%, 2%
HSLhsl(42.6, 95.9%, 47.8%)
HSV / HSBhsv(42.6, 97.9%, 93.7%)
CMYK0%, 28.5%, 97.9%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,706,885
CSS custom property--colour: #EFAB05;

Brightness & contrast

Relative luminance0.47487WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.5:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.5:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#1054FA

Colour vision & accessibility

Protanopia#C5AD00no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#D5BE17no green cones; the most common form, about 1% of men; ΔE 21.2 from the original
Tritanopia#FF9792no blue cones; rare, and affects men and women equally; ΔE 62.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.5:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange (#FFA500)ΔE 10.05, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0549EF
Analogous#EF3605, #BEEF05
Triadic#05EFAB, #AB05EF
Split complementary#05BEEF, #3605EF
Tetradic#05EF36, #0549EF, #EF05BE

Tints, shades & saturation

Lighter +40%#FEECC2
Lighter +30%#FDDD90
Lighter +20%#FCCE5E
Lighter +10%#FBBF2C
Darker −10%#BD8704
Darker −20%#8B6403
Darker −30%#594002
Darker −40%#271C01
More saturated +25%#F4AD00
Less saturated −25%#D19E24

Channel breakdown

R239
G171
B5
Red239 (93.7%)
Green171 (67.1%)
Blue5 (2%)
Hue42.56°
Saturation (HSL)95.9%
Lightness47.84%
Dominant channelRed
Hex per channelR EF · G AB · B 05

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Every value on this page was computed from “efab05” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.