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Recognised as Colour

#42B174

  • #42B174
  • Green
  • Dark
  • Nearest: Medium seagreen

#42B174 is a green with RGB values 66, 177, 116 and HSL 147°, 46%, 48%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#42B174#42B174
HEX#42B174
RGBrgb(66, 177, 116)
RGB (0–1)0.2588, 0.6941, 0.4549
RGB percentages25.9%, 69.4%, 45.5%
HSLhsl(147, 45.7%, 47.6%)
HSV / HSBhsv(147, 62.7%, 69.4%)
CMYK62.7%, 0%, 34.5%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,370,804
CSS custom property--colour: #42B174;

Brightness & contrast

Relative luminance0.33863WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.77:1
Contrast with white2.7:1WCAG normal text: Fail
Contrast with black7.77:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#BD4E8B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B0A470no red cones; affects about 1% of men; ΔE 42.7 from the original
Deuteranopia#A19978no green cones; the most common form, about 1% of men; ΔE 43.3 from the original
Tritanopia#0BAFA1no blue cones; rare, and affects men and women equally; ΔE 26.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.7:1WCAG large text: Fail
Contrast with black, large text7.77:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 3.4Sea green · ΔE 14.7Medium aquamarine · ΔE 19Dark seagreen · ΔE 23.4Light green · ΔE 26.3Forest green · ΔE 27.2
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 3.37, a close match
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B1427F
Analogous#47B142, #42B1AC
Triadic#7442B1, #B17442
Split complementary#AC42B1, #B14247
Tetradic#4247B1, #B1427F, #B1AB42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1EEDE
Lighter +30%#ACE0C3
Lighter +20%#87D2A9
Lighter +10%#62C48E
Darker −10%#348C5C
Darker −20%#266743
Darker −30%#18422B
Darker −40%#0B1C13
More saturated +25%#24CF71
Less saturated −25%#609377

Channel breakdown

R66
G177
B116
Red66 (25.9%)
Green177 (69.4%)
Blue116 (45.5%)
Hue147.03°
Saturation (HSL)45.68%
Lightness47.65%
Dominant channelGreen
Hex per channelR 42 · G B1 · B 74

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Every value on this page was computed from “42b174” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.