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Recognised as Colour

#1BBD75

  • #1BBD75
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#1BBD75 is a cyan with RGB values 27, 189, 117 and HSL 153°, 75%, 42%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#1BBD75#1BBD75
HEX#1BBD75
RGBrgb(27, 189, 117)
RGB (0–1)0.1059, 0.7412, 0.4588
RGB percentages10.6%, 74.1%, 45.9%
HSLhsl(153.3, 75%, 42.4%)
HSV / HSBhsv(153.3, 85.7%, 74.1%)
CMYK85.7%, 0%, 38.1%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,817,973
CSS custom property--colour: #1BBD75;

Brightness & contrast

Relative luminance0.37913WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.58:1
Contrast with white2.45:1WCAG normal text: Fail
Contrast with black8.58:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#E4428A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BCAD70no red cones; affects about 1% of men; ΔE 52.8 from the original
Deuteranopia#AAA07Ano green cones; the most common form, about 1% of men; ΔE 53.3 from the original
Tritanopia#00BBABno blue cones; rare, and affects men and women equally; ΔE 31.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.45:1WCAG large text: Fail
Contrast with black, large text8.58:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 7.9Sea green · ΔE 23.5Light green · ΔE 23.6Medium spring green · ΔE 25.5Medium aquamarine · ΔE 25.6Forest green · ΔE 26.7
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 7.91, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD1B63
Analogous#1BBD24, #1BB4BD
Triadic#751BBD, #BD751B
Split complementary#BD1BB4, #BD241B
Tetradic#241BBD, #BD1B63, #B4BD1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0F4D6
Lighter +30%#84EDBE
Lighter +20%#57E7A7
Lighter +10%#2AE190
Darker −10%#159059
Darker −20%#0E643E
Darker −30%#083722
Darker −40%#020A06
More saturated +25%#00D878
Less saturated −25%#36A272

Channel breakdown

R27
G189
B117
Red27 (10.6%)
Green189 (74.1%)
Blue117 (45.9%)
Hue153.33°
Saturation (HSL)75%
Lightness42.35%
Dominant channelGreen
Hex per channelR 1B · G BD · B 75

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Every value on this page was computed from “1bbd75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.