Nerdulator> put something in

Recognised as Colour

#FDFD51

  • #FDFD51
  • Yellow
  • Light
  • Nearest: Yellow

#FDFD51 is a yellow with RGB values 253, 253, 81 and HSL 60°, 98%, 65%. It is a light colour, so black text on it reaches 19.3:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FDFD51#FDFD51
HEX#FDFD51
RGBrgb(253, 253, 81)
RGB (0–1)0.9922, 0.9922, 0.3176
RGB percentages99.2%, 99.2%, 31.8%
HSLhsl(60, 97.7%, 65.5%)
HSV / HSBhsv(60, 68%, 99.2%)
CMYK0%, 0%, 68%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,645,457
CSS custom property--colour: #FDFD51;

Brightness & contrast

Relative luminance0.91727WCAG 2.x, 0 is black and 1 is white
Perceived brightness239.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.35:1
Contrast with white1.09:1WCAG normal text: Fail
Contrast with black19.35:1WCAG normal text: AAA
Greyscale equivalent#F1F1F1
Inverted#0202AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF335no red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#FFF85Dno green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#FFEDDBno blue cones; rare, and affects men and women equally; ΔE 70.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.09:1WCAG large text: Fail
Contrast with black, large text19.35:1WCAG large text: AAA

Named colours

Yellow · ΔE 16.6Gold · ΔE 22.1Yellow green · ΔE 29.7Green yellow · ΔE 33.6Khaki · ΔE 35.2Goldenrod · ΔE 39.2
Nearest named CSS colourYellow (#FFFF00)ΔE 16.62, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5151FD
Analogous#FDA751, #A7FD51
Triadic#51FDFD, #FD51FD
Split complementary#51A7FD, #A751FD
Tetradic#51FDA7, #5151FD, #FD51A7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFE8
Lighter +20%#FEFEB6
Lighter +10%#FEFE83
Darker −10%#FCFC1F
Darker −20%#E5E503
Darker −30%#B3B302
Darker −40%#818101
More saturated +25%#FFFF4F
Less saturated −25%#E7E767

Channel breakdown

R253
G253
B81
Red253 (99.2%)
Green253 (99.2%)
Blue81 (31.8%)
Hue60°
Saturation (HSL)97.73%
Lightness65.49%
Dominant channelRed and Green
Hex per channelR FD · G FD · B 51

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “fdfd51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.