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Recognised as Colour

#FDF405

  • #FDF405
  • Yellow
  • Light
  • Nearest: Yellow

#FDF405 is a yellow with RGB values 253, 244, 5 and HSL 58°, 98%, 51%. It is a light colour, so black text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FDF405#FDF405
HEX#FDF405
RGBrgb(253, 244, 5)
RGB (0–1)0.9922, 0.9569, 0.0196
RGB percentages99.2%, 95.7%, 2%
HSLhsl(57.8, 98.4%, 50.6%)
HSV / HSBhsv(57.8, 98%, 99.2%)
CMYK0%, 3.6%, 98%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,643,077
CSS custom property--colour: #FDF405;

Brightness & contrast

Relative luminance0.85595WCAG 2.x, 0 is black and 1 is white
Perceived brightness232.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.12:1
Contrast with white1.16:1WCAG normal text: Fail
Contrast with black18.12:1WCAG normal text: AAA
Greyscale equivalent#E5E5E5
Inverted#020BFA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEA00no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#FFF12Fno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#FFE3D0no blue cones; rare, and affects men and women equally; ΔE 82.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.16:1WCAG large text: Fail
Contrast with black, large text18.12:1WCAG large text: AAA

Named colours

Yellow · ΔE 6Gold · ΔE 17.4Green yellow · ΔE 36.8Yellow green · ΔE 37.2Goldenrod · ΔE 41.6Orange · ΔE 47.1
Nearest named CSS colourYellow (#FFFF00)ΔE 5.99, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#050EFD
Analogous#FD7805, #8AFD05
Triadic#05FDF4, #F405FD
Split complementary#058AFD, #7805FD
Tetradic#05FD78, #050EFD, #FD058A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFDCF
Lighter +30%#FEFB9D
Lighter +20%#FEF86A
Lighter +10%#FDF638
Darker −10%#CDC602
Darker −20%#9B9501
Darker −30%#686401
Darker −40%#363400
More saturated +25%#FFF603
Less saturated −25%#DED725

Channel breakdown

R253
G244
B5
Red253 (99.2%)
Green244 (95.7%)
Blue5 (2%)
Hue57.82°
Saturation (HSL)98.41%
Lightness50.59%
Dominant channelRed
Hex per channelR FD · G F4 · B 05

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Every value on this page was computed from “fdf405” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.