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Recognised as Colour

#42FF8A

  • #42FF8A
  • Green
  • Light
  • Nearest: Spring green

#42FF8A is a green with RGB values 66, 255, 138 and HSL 143°, 100%, 63%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#42FF8A#42FF8A
HEX#42FF8A
RGBrgb(66, 255, 138)
RGB (0–1)0.2588, 1, 0.5412
RGB percentages25.9%, 100%, 54.1%
HSLhsl(142.9, 100%, 62.9%)
HSV / HSBhsv(142.9, 74.1%, 100%)
CMYK74.1%, 0%, 45.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,390,794
CSS custom property--colour: #42FF8A;

Brightness & contrast

Relative luminance0.74513WCAG 2.x, 0 is black and 1 is white
Perceived brightness204.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.9:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.9:1WCAG normal text: AAA
Greyscale equivalent#CECECE
Inverted#BD0075

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE981no red cones; affects about 1% of men; ΔE 65.9 from the original
Deuteranopia#EADA92no green cones; the most common form, about 1% of men; ΔE 66.3 from the original
Tritanopia#00FBE3no blue cones; rare, and affects men and women equally; ΔE 48.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.32:1WCAG large text: Fail
Contrast with black, large text15.9:1WCAG large text: AAA

Named colours

Spring green · ΔE 7.6Medium spring green · ΔE 10.5Pale green · ΔE 22.8Light green · ΔE 25.2Limegreen · ΔE 25.2Medium seagreen · ΔE 37.6
Nearest named CSS colourSpring green (#00FF7F)ΔE 7.57, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF42B7
Analogous#58FF42, #42FFE9
Triadic#8A42FF, #FF8A42
Split complementary#E942FF, #FF4258
Tetradic#4258FF, #FF42B7, #FFE942

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DBFFE9
Lighter +20%#A8FFC9
Lighter +10%#75FFAA
Darker −10%#0FFF6A
Darker −20%#00DB53
Darker −30%#00A840
Darker −40%#00752D
More saturated +25%#42FF8A
Less saturated −25%#5AE790

Channel breakdown

R66
G255
B138
Red66 (25.9%)
Green255 (100%)
Blue138 (54.1%)
Hue142.86°
Saturation (HSL)100%
Lightness62.94%
Dominant channelGreen
Hex per channelR 42 · G FF · B 8A

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Every value on this page was computed from “42ff8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.