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Colour

#19B281

  • #19B281
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#19B281 is a cyan with RGB values 25, 178, 129 and HSL 161°, 75%, 40%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#19B281#19B281
HEX#19B281
RGBrgb(25, 178, 129)
RGB (0–1)0.098, 0.698, 0.5059
RGB percentages9.8%, 69.8%, 50.6%
HSLhsl(160.8, 75.4%, 39.8%)
HSV / HSBhsv(160.8, 86%, 69.8%)
CMYK86%, 0%, 27.5%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,684,097
CSS custom property--colour: #19B281;

Brightness & contrast

Relative luminance0.33632WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.73:1
Contrast with white2.72:1WCAG normal text: Fail
Contrast with black7.73:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#E64D7E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AEA47Eno red cones; affects about 1% of men; ΔE 47 from the original
Deuteranopia#9D9884no green cones; the most common form, about 1% of men; ΔE 47.4 from the original
Tritanopia#00B2A5no 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 text2.72:1WCAG large text: Fail
Contrast with black, large text7.73:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 9.6Medium aquamarine · ΔE 16.6Sea green · ΔE 16.9Light seagreen · ΔE 24Turquoise · ΔE 25.5Dark seagreen · ΔE 26.4
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.63, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B2194A
Analogous#19B235, #1997B2
Triadic#8119B2, #B28119
Split complementary#B21997, #B23519
Tetradic#3419B2, #B2194A, #96B219

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5F2D9
Lighter +30%#78ECC7
Lighter +20%#4BE6B4
Lighter +10%#1FDFA1
Darker −10%#138561
Darker −20%#0C5940
Darker −30%#062C20
Darker −40%#000000
More saturated +25%#00CB8A
Less saturated −25%#329978

Channel breakdown

R25
G178
B129
Red25 (9.8%)
Green178 (69.8%)
Blue129 (50.6%)
Hue160.78°
Saturation (HSL)75.37%
Lightness39.8%
Dominant channelGreen
Hex per channelR 19 · G B2 · B 81

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Every value on this page was computed from “19b281” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.