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Recognised as Colour

#D9EF05

  • #D9EF05
  • Yellow
  • Light
  • Nearest: Yellow

#D9EF05 is a yellow with RGB values 217, 239, 5 and HSL 66°, 96%, 48%. It is a light colour, so black text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#D9EF05#D9EF05
HEX#D9EF05
RGBrgb(217, 239, 5)
RGB (0–1)0.851, 0.9373, 0.0196
RGB percentages85.1%, 93.7%, 2%
HSLhsl(65.6, 95.9%, 47.8%)
HSV / HSBhsv(65.6, 97.9%, 93.7%)
CMYK9.2%, 0%, 97.9%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,282,501
CSS custom property--colour: #D9EF05;

Brightness & contrast

Relative luminance0.76496WCAG 2.x, 0 is black and 1 is white
Perceived brightness218.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.3:1
Contrast with white1.29:1WCAG normal text: Fail
Contrast with black16.3:1WCAG normal text: AAA
Greyscale equivalent#D9D9D9
Inverted#2610FA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE200no red cones; affects about 1% of men; ΔE 22.1 from the original
Deuteranopia#FFE431no green cones; the most common form, about 1% of men; ΔE 22.5 from the original
Tritanopia#E8E1CBno blue cones; rare, and affects men and women equally; ΔE 81.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.29:1WCAG large text: Fail
Contrast with black, large text16.3:1WCAG large text: AAA

Named colours

Yellow · ΔE 12.7Green yellow · ΔE 23.7Yellow green · ΔE 26.4Gold · ΔE 27.8Lawn green · ΔE 38.4Chartreuse · ΔE 38.6
Nearest named CSS colourYellow (#FFFF00)ΔE 12.66, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B05EF
Analogous#EF9005, #64EF05
Triadic#05D9EF, #EF05D9
Split complementary#0564EF, #9005EF
Tetradic#05EF90, #1B05EF, #EF0564

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8FEC2
Lighter +30%#F2FD90
Lighter +20%#EDFC5E
Lighter +10%#E7FB2C
Darker −10%#ACBD04
Darker −20%#7E8B03
Darker −30%#515902
Darker −40%#242701
More saturated +25%#DDF400
Less saturated −25%#C0D124

Channel breakdown

R217
G239
B5
Red217 (85.1%)
Green239 (93.7%)
Blue5 (2%)
Hue65.64°
Saturation (HSL)95.9%
Lightness47.84%
Dominant channelGreen
Hex per channelR D9 · G EF · B 05

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Every value on this page was computed from “d9ef05” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.