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Recognised as Colour

#1CB17C

  • #1CB17C
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#1CB17C is a cyan with RGB values 28, 177, 124 and HSL 159°, 73%, 40%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#1CB17C#1CB17C
HEX#1CB17C
RGBrgb(28, 177, 124)
RGB (0–1)0.1098, 0.6941, 0.4863
RGB percentages11%, 69.4%, 48.6%
HSLhsl(158.7, 72.7%, 40.2%)
HSV / HSBhsv(158.7, 84.2%, 69.4%)
CMYK84.2%, 0%, 29.9%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,880,444
CSS custom property--colour: #1CB17C;

Brightness & contrast

Relative luminance0.33146WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.63:1
Contrast with white2.75:1WCAG normal text: Fail
Contrast with black7.63:1WCAG normal text: AAA
Greyscale equivalent#8D8D8D
Inverted#E34E83

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AEA379no red cones; affects about 1% of men; ΔE 47.3 from the original
Deuteranopia#9D977Fno green cones; the most common form, about 1% of men; ΔE 47.6 from the original
Tritanopia#00B1A3no blue cones; rare, and affects men and women equally; ΔE 22.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.75:1WCAG large text: Fail
Contrast with black, large text7.63:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 7.6Sea green · ΔE 16.3Medium aquamarine · ΔE 18.1Light seagreen · ΔE 26.2Dark seagreen · ΔE 26.8Turquoise · ΔE 27.5
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 7.56, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B11C51
Analogous#1CB132, #1C9BB1
Triadic#7C1CB1, #B17C1C
Split complementary#B11C9C, #B1321C
Tetradic#321CB1, #B11C51, #9BB11C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8F1D7
Lighter +30%#7CEAC3
Lighter +20%#50E3AF
Lighter +10%#24DC9B
Darker −10%#15855D
Darker −20%#0E593E
Darker −30%#072D1F
Darker −40%#000101
More saturated +25%#02CB83
Less saturated −25%#369775

Channel breakdown

R28
G177
B124
Red28 (11%)
Green177 (69.4%)
Blue124 (48.6%)
Hue158.66°
Saturation (HSL)72.68%
Lightness40.2%
Dominant channelGreen
Hex per channelR 1C · G B1 · B 7C

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Every value on this page was computed from “1cb17c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.