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Recognised as Colour

#309B50

  • #309B50
  • Green
  • Dark
  • Nearest: Medium seagreen

#309B50 is a green with RGB values 48, 155, 80 and HSL 138°, 53%, 40%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Medium seagreen.

Colour values

#309B50#309B50
HEX#309B50
RGBrgb(48, 155, 80)
RGB (0–1)0.1882, 0.6078, 0.3137
RGB percentages18.8%, 60.8%, 31.4%
HSLhsl(137.9, 52.7%, 39.8%)
HSV / HSBhsv(137.9, 69%, 60.8%)
CMYK69%, 0%, 48.4%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,185,488
CSS custom property--colour: #309B50;

Brightness & contrast

Relative luminance0.2465WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.93:1
Contrast with white3.54:1WCAG normal text: Fail
Contrast with black5.93:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#CF64AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9C8E4Ano red cones; affects about 1% of men; ΔE 43.6 from the original
Deuteranopia#8F8455no green cones; the most common form, about 1% of men; ΔE 44.2 from the original
Tritanopia#009889no blue cones; rare, and affects men and women equally; ΔE 33.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.54:1WCAG large text: AA
Contrast with black, large text5.93:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 10.7Sea green · ΔE 13.9Forest green · ΔE 15.9Green · ΔE 22.4Dark green · ΔE 23.7Olivedrab · ΔE 26.9
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 10.7, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B307B
Analogous#469B30, #309B86
Triadic#50309B, #9B5030
Split complementary#86309B, #9B3045
Tetradic#30459B, #9B307B, #9B8530

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0E7C1
Lighter +30%#89DBA2
Lighter +20%#62CF83
Lighter +10%#3CC264
Darker −10%#24743C
Darker −20%#184D28
Darker −30%#0C2614
Darker −40%#000000
More saturated +25%#17B446
Less saturated −25%#49825A

Channel breakdown

R48
G155
B80
Red48 (18.8%)
Green155 (60.8%)
Blue80 (31.4%)
Hue137.94°
Saturation (HSL)52.71%
Lightness39.8%
Dominant channelGreen
Hex per channelR 30 · G 9B · B 50

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Every value on this page was computed from “309b50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.