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Recognised as Colour

#1BB280

  • #1BB280
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#1BB280 is a cyan with RGB values 27, 178, 128 and HSL 160°, 74%, 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

#1BB280#1BB280
HEX#1BB280
RGBrgb(27, 178, 128)
RGB (0–1)0.1059, 0.698, 0.502
RGB percentages10.6%, 69.8%, 50.2%
HSLhsl(160.1, 73.7%, 40.2%)
HSV / HSBhsv(160.1, 84.8%, 69.8%)
CMYK84.8%, 0%, 28.1%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,815,168
CSS custom property--colour: #1BB280;

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#E44D7F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AFA47Dno red cones; affects about 1% of men; ΔE 47.3 from the original
Deuteranopia#9D9883no green cones; the most common form, about 1% of men; ΔE 47.3 from the original
Tritanopia#00B2A4no 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 9.1Sea green · ΔE 16.8Medium aquamarine · ΔE 16.8Light seagreen · ΔE 24.5Turquoise · ΔE 25.9Dark seagreen · ΔE 26.4
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.09, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B21B4D
Analogous#1BB235, #1B99B2
Triadic#801BB2, #B2801B
Split complementary#B21B99, #B2341B
Tetradic#341BB2, #B21B4D, #99B21B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7F2D9
Lighter +30%#7BEBC6
Lighter +20%#4FE4B3
Lighter +10%#22DEA0
Darker −10%#148660
Darker −20%#0E5940
Darker −30%#072D20
Darker −40%#000101
More saturated +25%#01CC89
Less saturated −25%#359877

Channel breakdown

R27
G178
B128
Red27 (10.6%)
Green178 (69.8%)
Blue128 (50.2%)
Hue160.13°
Saturation (HSL)73.66%
Lightness40.2%
Dominant channelGreen
Hex per channelR 1B · G B2 · B 80

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Every value on this page was computed from “1bb280” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.