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Colour

#FEF300

  • #FEF300
  • Yellow
  • Light
  • Nearest: Yellow

#FEF300 is a yellow with RGB values 254, 243, 0 and HSL 57°, 100%, 50%. It is a light colour, so black text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FEF300#FEF300
HEX#FEF300
RGBrgb(254, 243, 0)
RGB (0–1)0.9961, 0.9529, 0
RGB percentages99.6%, 95.3%, 0%
HSLhsl(57.4, 100%, 49.8%)
HSV / HSBhsv(57.4, 100%, 99.6%)
CMYK0%, 4.3%, 100%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,708,352
CSS custom property--colour: #FEF300;

Brightness & contrast

Relative luminance0.85172WCAG 2.x, 0 is black and 1 is white
Perceived brightness232.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.03:1
Contrast with white1.16:1WCAG normal text: Fail
Contrast with black18.03:1WCAG normal text: AAA
Greyscale equivalent#E4E4E4
Inverted#010CFF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE900no red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#FFF12Dno green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#FFE1CFno blue cones; rare, and affects men and women equally; ΔE 83 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 text18.03:1WCAG large text: AAA

Named colours

Yellow · ΔE 6.6Gold · ΔE 16.7Green yellow · ΔE 37.7Yellow green · ΔE 37.8Goldenrod · ΔE 41.2Orange · ΔE 46.3
Nearest named CSS colourYellow (#FFFF00)ΔE 6.64, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#000BFE
Analogous#FE7400, #8AFE00
Triadic#00FEF3, #F300FE
Split complementary#008AFE, #7400FE
Tetradic#00FE74, #000BFE, #FE008A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFDCB
Lighter +30%#FFFB98
Lighter +20%#FFF865
Lighter +10%#FFF632
Darker −10%#CBC200
Darker −20%#989100
Darker −30%#656100
Darker −40%#323000
More saturated +25%#FEF300
Less saturated −25%#DED620

Channel breakdown

R254
G243
B0
Red254 (99.6%)
Green243 (95.3%)
Blue0 (0%)
Hue57.4°
Saturation (HSL)100%
Lightness49.8%
Dominant channelRed
Hex per channelR FE · G F3 · B 00

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Every value on this page was computed from “fef300” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.