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Recognised as Colour

#CFFF04

  • #CFFF04
  • Green
  • Light
  • Nearest: Green yellow

#CFFF04 is a green with RGB values 207, 255, 4 and HSL 71°, 100%, 51%. It is a light colour, so black text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#CFFF04#CFFF04
HEX#CFFF04
RGBrgb(207, 255, 4)
RGB (0–1)0.8118, 1, 0.0157
RGB percentages81.2%, 100%, 1.6%
HSLhsl(71.5, 100%, 50.8%)
HSV / HSBhsv(71.5, 98.4%, 100%)
CMYK18.8%, 0%, 98.4%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,631,236
CSS custom property--colour: #CFFF04;

Brightness & contrast

Relative luminance0.84794WCAG 2.x, 0 is black and 1 is white
Perceived brightness225.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.96:1
Contrast with white1.17:1WCAG normal text: Fail
Contrast with black17.96:1WCAG normal text: AAA
Greyscale equivalent#E3E3E3
Inverted#3000FB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEE00no red cones; affects about 1% of men; ΔE 27.4 from the original
Deuteranopia#FFED36no green cones; the most common form, about 1% of men; ΔE 29.7 from the original
Tritanopia#DBF1D9no blue cones; rare, and affects men and women equally; ΔE 86.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.17:1WCAG large text: Fail
Contrast with black, large text17.96:1WCAG large text: AAA

Named colours

Green yellow · ΔE 14.5Yellow · ΔE 19.9Chartreuse · ΔE 27.9Lawn green · ΔE 28Yellow green · ΔE 29.4Gold · ΔE 39.6
Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 14.51, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3404FF
Analogous#FFB104, #52FF04
Triadic#04CFFF, #FF04CF
Split complementary#0452FF, #B104FF
Tetradic#04FFB1, #3404FF, #FF0452

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6FFD0
Lighter +30%#ECFF9D
Lighter +20%#E3FF6A
Lighter +10%#D9FF37
Darker −10%#A8D000
Darker −20%#7F9D00
Darker −30%#566A00
Darker −40%#2C3700
More saturated +25%#CFFF04
Less saturated −25%#BCE023

Channel breakdown

R207
G255
B4
Red207 (81.2%)
Green255 (100%)
Blue4 (1.6%)
Hue71.47°
Saturation (HSL)100%
Lightness50.78%
Dominant channelGreen
Hex per channelR CF · G FF · B 04

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Every value on this page was computed from “cfff04” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.