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Recognised as Colour

#EFEF43

  • #EFEF43
  • Yellow
  • Light
  • Nearest: Yellow

#EFEF43 is a yellow with RGB values 239, 239, 67 and HSL 60°, 84%, 60%. It is a light colour, so black text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#EFEF43#EFEF43
HEX#EFEF43
RGBrgb(239, 239, 67)
RGB (0–1)0.9373, 0.9373, 0.2627
RGB percentages93.7%, 93.7%, 26.3%
HSLhsl(60, 84.3%, 60%)
HSV / HSBhsv(60, 72%, 93.7%)
CMYK0%, 0%, 72%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,724,355
CSS custom property--colour: #EFEF43;

Brightness & contrast

Relative luminance0.80489WCAG 2.x, 0 is black and 1 is white
Perceived brightness226.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.1:1
Contrast with white1.23:1WCAG normal text: Fail
Contrast with black17.1:1WCAG normal text: AAA
Greyscale equivalent#E3E3E3
Inverted#1010BC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE520no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#FFEA50no green cones; the most common form, about 1% of men; ΔE 10.4 from the original
Tritanopia#FFE0CEno blue cones; rare, and affects men and women equally; ΔE 70.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.23:1WCAG large text: Fail
Contrast with black, large text17.1:1WCAG large text: AAA

Named colours

Yellow · ΔE 17.7Gold · ΔE 20.2Yellow green · ΔE 26.8Green yellow · ΔE 33.7Khaki · ΔE 34.3Goldenrod · ΔE 35.9
Nearest named CSS colourYellow (#FFFF00)ΔE 17.72, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4343EF
Analogous#EF9943, #99EF43
Triadic#43EFEF, #EF43EF
Split complementary#4399EF, #9943EF
Tetradic#43EF99, #4343EF, #EF4399

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FBFBD0
Lighter +20%#F7F7A1
Lighter +10%#F3F372
Darker −10%#EBEB14
Darker −20%#BCBC10
Darker −30%#8D8D0C
Darker −40%#5E5E08
More saturated +25%#FFFF33
Less saturated −25%#D5D55C

Channel breakdown

R239
G239
B67
Red239 (93.7%)
Green239 (93.7%)
Blue67 (26.3%)
Hue60°
Saturation (HSL)84.31%
Lightness60%
Dominant channelRed and Green
Hex per channelR EF · G EF · B 43

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Every value on this page was computed from “efef43” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.