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Recognised as Colour

#ECF300

  • #ECF300
  • Yellow
  • Light
  • Nearest: Yellow

#ECF300 is a yellow with RGB values 236, 243, 0 and HSL 62°, 100%, 48%. It is a light colour, so black text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#ECF300#ECF300
HEX#ECF300
RGBrgb(236, 243, 0)
RGB (0–1)0.9255, 0.9529, 0
RGB percentages92.5%, 95.3%, 0%
HSLhsl(61.7, 100%, 47.6%)
HSV / HSBhsv(61.7, 100%, 95.3%)
CMYK2.9%, 0%, 100%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,528,704
CSS custom property--colour: #ECF300;

Brightness & contrast

Relative luminance0.81934WCAG 2.x, 0 is black and 1 is white
Perceived brightness226.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.39:1
Contrast with white1.21:1WCAG normal text: Fail
Contrast with black17.39:1WCAG normal text: AAA
Greyscale equivalent#E0E0E0
Inverted#130CFF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE700no red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#FFEC2Fno green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#FDE3CFno blue cones; rare, and affects men and women equally; ΔE 82.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.21:1WCAG large text: Fail
Contrast with black, large text17.39:1WCAG large text: AAA

Named colours

Yellow · ΔE 6.5Gold · ΔE 22.7Green yellow · ΔE 30.1Yellow green · ΔE 32.1Goldenrod · ΔE 44.5Lawn green · ΔE 44.7
Nearest named CSS colourYellow (#FFFF00)ΔE 6.46, clearly different but related
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0700F3
Analogous#F38100, #72F300
Triadic#00ECF3, #F300EC
Split complementary#0072F3, #8100F3
Tetradic#00F380, #0700F3, #F30072

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFFC0
Lighter +30%#FCFF8D
Lighter +20%#FAFF5A
Lighter +10%#F9FF27
Darker −10%#BAC000
Darker −20%#898D00
Darker −30%#575A00
Darker −40%#262700
More saturated +25%#ECF300
Less saturated −25%#CFD51E

Channel breakdown

R236
G243
B0
Red236 (92.5%)
Green243 (95.3%)
Blue0 (0%)
Hue61.73°
Saturation (HSL)100%
Lightness47.65%
Dominant channelGreen
Hex per channelR EC · G F3 · B 00

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Every value on this page was computed from “ecf300” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.