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Recognised as Colour

#EFD30B

  • #EFD30B
  • Yellow
  • Light
  • Nearest: Gold

#EFD30B is a yellow with RGB values 239, 211, 11 and HSL 53°, 91%, 49%. It is a light colour, so black text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#EFD30B#EFD30B
HEX#EFD30B
RGBrgb(239, 211, 11)
RGB (0–1)0.9373, 0.8275, 0.0431
RGB percentages93.7%, 82.7%, 4.3%
HSLhsl(52.6, 91.2%, 49%)
HSV / HSBhsv(52.6, 95.4%, 93.7%)
CMYK0%, 11.7%, 95.4%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,717,131
CSS custom property--colour: #EFD30B;

Brightness & contrast

Relative luminance0.64963WCAG 2.x, 0 is black and 1 is white
Perceived brightness207.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.99:1
Contrast with white1.5:1WCAG normal text: Fail
Contrast with black13.99:1WCAG normal text: AAA
Greyscale equivalent#CBCBCB
Inverted#102CF4

Colour vision & accessibility

Protanopia#E9CD00no red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#F1D728no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#FFC2B4no blue cones; rare, and affects men and women equally; ΔE 73.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.5:1WCAG large text: Fail
Contrast with black, large text13.99:1WCAG large text: AAA

Named colours

Nearest named CSS colourGold (#FFD700)ΔE 6.31, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0B27EF
Analogous#EF610B, #99EF0B
Triadic#0BEFD3, #D30BEF
Split complementary#0B99EF, #610BEF
Tetradic#0BEF61, #0B27EF, #EF0B99

Tints, shades & saturation

Lighter +40%#FDF6C9
Lighter +30%#FAEE99
Lighter +20%#F8E668
Lighter +10%#F6DE37
Darker −10%#BEA809
Darker −20%#8D7D07
Darker −30%#5D5204
Darker −40%#2C2702
More saturated +25%#FADB00
Less saturated −25%#D0BB2A

Channel breakdown

R239
G211
B11
Red239 (93.7%)
Green211 (82.7%)
Blue11 (4.3%)
Hue52.63°
Saturation (HSL)91.2%
Lightness49.02%
Dominant channelRed
Hex per channelR EF · G D3 · B 0B

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Every value on this page was computed from “efd30b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.