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Colour

#1B9483

  • #1B9483
  • Cyan
  • Dark
  • Nearest: Dark cyan

#1B9483 is a cyan with RGB values 27, 148, 131 and HSL 172°, 69%, 34%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#1B9483#1B9483
HEX#1B9483
RGBrgb(27, 148, 131)
RGB (0–1)0.1059, 0.5804, 0.5137
RGB percentages10.6%, 58%, 51.4%
HSLhsl(171.6, 69.1%, 34.3%)
HSV / HSBhsv(171.6, 81.8%, 58%)
CMYK81.8%, 0%, 11.5%, 42%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,807,491
CSS custom property--colour: #1B9483;

Brightness & contrast

Relative luminance0.23052WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.61:1
Contrast with white3.74:1WCAG normal text: Fail
Contrast with black5.61:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#E46B7C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8D8B82no red cones; affects about 1% of men; ΔE 35.1 from the original
Deuteranopia#7E7F84no green cones; the most common form, about 1% of men; ΔE 36.3 from the original
Tritanopia#00978Fno blue cones; rare, and affects men and women equally; ΔE 5.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.74:1WCAG large text: AA
Contrast with black, large text5.61:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 10.6Light seagreen · ΔE 12.5Teal · ΔE 12.8Cadetblue · ΔE 18.5Sea green · ΔE 20.8Medium aquamarine · ΔE 22.4
Nearest named CSS colourDark cyan (#008B8B)ΔE 10.63, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#941B2C
Analogous#1B9446, #1B6994
Triadic#831B94, #94831B
Split complementary#941B69, #94461B
Tetradic#461B94, #941B2C, #69941B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#90EBDE
Lighter +30%#65E3D1
Lighter +20%#3ADBC4
Lighter +10%#23BFA9
Darker −10%#13695D
Darker −20%#0B3E37
Darker −30%#031310
Darker −40%#000000
More saturated +25%#05AA93
Less saturated −25%#317E73

Channel breakdown

R27
G148
B131
Red27 (10.6%)
Green148 (58%)
Blue131 (51.4%)
Hue171.57°
Saturation (HSL)69.14%
Lightness34.31%
Dominant channelGreen
Hex per channelR 1B · G 94 · B 83

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Every value on this page was computed from “1b9483” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.