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Recognised as Colour

#FEF37A

  • #FEF37A
  • Yellow
  • Light
  • Nearest: Khaki

#FEF37A is a yellow with RGB values 254, 243, 122 and HSL 55°, 99%, 74%. It is a light colour, so black text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FEF37A#FEF37A
HEX#FEF37A
RGBrgb(254, 243, 122)
RGB (0–1)0.9961, 0.9529, 0.4784
RGB percentages99.6%, 95.3%, 47.8%
HSLhsl(55, 98.5%, 73.7%)
HSV / HSBhsv(55, 52%, 99.6%)
CMYK0%, 4.3%, 52%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,708,474
CSS custom property--colour: #FEF37A;

Brightness & contrast

Relative luminance0.86577WCAG 2.x, 0 is black and 1 is white
Perceived brightness235.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.32:1
Contrast with white1.15:1WCAG normal text: Fail
Contrast with black18.32:1WCAG normal text: AAA
Greyscale equivalent#EDEDED
Inverted#010C85

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEC6Fno red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#FFF280no green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#FFE5D8no blue cones; rare, and affects men and women equally; ΔE 52.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.15:1WCAG large text: Fail
Contrast with black, large text18.32:1WCAG large text: AAA

Named colours

Khaki · ΔE 14.8Pale goldenrod · ΔE 28.5Dark khaki · ΔE 29Gold · ΔE 30.8Goldenrod · ΔE 32.6Yellow green · ΔE 32.9
Nearest named CSS colourKhaki (#F0E68C)ΔE 14.79, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A85FE
Analogous#FEB17A, #C7FE7A
Triadic#7AFEF3, #F37AFE
Split complementary#7AC7FE, #B17AFE
Tetradic#7AFEB1, #7A85FE, #FE7AC7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFCDF
Lighter +10%#FEF8AD
Darker −10%#FEEE47
Darker −20%#FDEA15
Darker −30%#DDCB02
Darker −40%#AB9D01
More saturated +25%#FFF479
Less saturated −25%#EDE58B

Channel breakdown

R254
G243
B122
Red254 (99.6%)
Green243 (95.3%)
Blue122 (47.8%)
Hue55°
Saturation (HSL)98.51%
Lightness73.73%
Dominant channelRed
Hex per channelR FE · G F3 · B 7A

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Every value on this page was computed from “fef37a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.