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Colour

#309C6C

  • #309C6C
  • Cyan
  • Dark
  • Nearest: Sea green

#309C6C is a cyan with RGB values 48, 156, 108 and HSL 153°, 53%, 40%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#309C6C#309C6C
HEX#309C6C
RGBrgb(48, 156, 108)
RGB (0–1)0.1882, 0.6118, 0.4235
RGB percentages18.8%, 61.2%, 42.4%
HSLhsl(153.3, 52.9%, 40%)
HSV / HSBhsv(153.3, 69.2%, 61.2%)
CMYK69.2%, 0%, 30.8%, 38.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,185,772
CSS custom property--colour: #309C6C;

Brightness & contrast

Relative luminance0.25488WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.1:1
Contrast with white3.44:1WCAG normal text: Fail
Contrast with black6.1:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#CF6393

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9A9069no red cones; affects about 1% of men; ΔE 39.9 from the original
Deuteranopia#8C866Fno green cones; the most common form, about 1% of men; ΔE 40.4 from the original
Tritanopia#009B8Fno blue cones; rare, and affects men and women equally; ΔE 20.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.44:1WCAG large text: AA
Contrast with black, large text6.1:1WCAG large text: AAA

Named colours

Sea green · ΔE 7.4Medium seagreen · ΔE 12.6Medium aquamarine · ΔE 20.2Dark seagreen · ΔE 23.3Light seagreen · ΔE 24.7Dark cyan · ΔE 28.4
Nearest named CSS colourSea green (#2E8B57)ΔE 7.36, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9C3060
Analogous#309C36, #30969C
Triadic#6C309C, #9C6C30
Split complementary#9C3096, #9C3630
Tetradic#36309C, #9C3060, #969C30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1E7CF
Lighter +30%#8ADBB7
Lighter +20%#63CF9F
Lighter +10%#3CC387
Darker −10%#247551
Darker −20%#184E36
Darker −30%#0C271B
Darker −40%#000000
More saturated +25%#17B66F
Less saturated −25%#4A8369

Channel breakdown

R48
G156
B108
Red48 (18.8%)
Green156 (61.2%)
Blue108 (42.4%)
Hue153.33°
Saturation (HSL)52.94%
Lightness40%
Dominant channelGreen
Hex per channelR 30 · G 9C · B 6C

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Every value on this page was computed from “309c6c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.