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Recognised as Colour

#28BD7B

  • #28BD7B
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#28BD7B is a cyan with RGB values 40, 189, 123 and HSL 153°, 65%, 45%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#28BD7B#28BD7B
HEX#28BD7B
RGBrgb(40, 189, 123)
RGB (0–1)0.1569, 0.7412, 0.4824
RGB percentages15.7%, 74.1%, 48.2%
HSLhsl(153.4, 65.1%, 44.9%)
HSV / HSBhsv(153.4, 78.8%, 74.1%)
CMYK78.8%, 0%, 34.9%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,669,947
CSS custom property--colour: #28BD7B;

Brightness & contrast

Relative luminance0.38276WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.66:1
Contrast with white2.43:1WCAG normal text: Fail
Contrast with black8.66:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#D74284

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BBAE77no red cones; affects about 1% of men; ΔE 50.1 from the original
Deuteranopia#AAA17Fno green cones; the most common form, about 1% of men; ΔE 51 from the original
Tritanopia#00BCACno blue cones; rare, and affects men and women equally; ΔE 27.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.43:1WCAG large text: Fail
Contrast with black, large text8.66:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 5.8Sea green · ΔE 21.5Medium aquamarine · ΔE 22Light green · ΔE 24.1Medium spring green · ΔE 27.7Pale green · ΔE 27.9
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 5.84, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD286A
Analogous#28BD30, #28B5BD
Triadic#7B28BD, #BD7B28
Split complementary#BD28B5, #BD3028
Tetradic#3028BD, #BD286A, #B5BD28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFF2DB
Lighter +30%#95E9C4
Lighter +20%#6BE0AC
Lighter +10%#41D795
Darker −10%#1F9360
Darker −20%#166944
Darker −30%#0D3F29
Darker −40%#04150D
More saturated +25%#0BDA7E
Less saturated −25%#45A078

Channel breakdown

R40
G189
B123
Red40 (15.7%)
Green189 (74.1%)
Blue123 (48.2%)
Hue153.42°
Saturation (HSL)65.07%
Lightness44.9%
Dominant channelGreen
Hex per channelR 28 · G BD · B 7B

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Every value on this page was computed from “28bd7b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.