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Recognised as Colour

#156B78

  • #156B78
  • Cyan
  • Dark
  • Nearest: Teal

#156B78 is a cyan with RGB values 21, 107, 120 and HSL 188°, 70%, 28%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#156B78#156B78
HEX#156B78
RGBrgb(21, 107, 120)
RGB (0–1)0.0824, 0.4196, 0.4706
RGB percentages8.2%, 42%, 47.1%
HSLhsl(187.9, 70.2%, 27.6%)
HSV / HSBhsv(187.9, 82.5%, 47.1%)
CMYK82.5%, 10.8%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,403,768
CSS custom property--colour: #156B78;

Brightness & contrast

Relative luminance0.12031WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.17:1
Contrast with white6.17:1WCAG normal text: AA
Contrast with black3.41:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#EA9487

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#606779no red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#535D78no green cones; the most common form, about 1% of men; ΔE 22.4 from the original
Tritanopia#00716Fno blue cones; rare, and affects men and women equally; ΔE 10.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.17:1WCAG large text: AAA
Contrast with black, large text3.41:1WCAG large text: AA

Named colours

Teal · ΔE 13.2Dark slate grey · ΔE 16.4Dark cyan · ΔE 16.6Slate grey · ΔE 21Cadetblue · ΔE 21Light slate grey · ΔE 22.7
Nearest named CSS colourTeal (#008080)ΔE 13.15, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#782215
Analogous#157853, #153A78
Triadic#78156B, #6B7815
Split complementary#781539, #785415
Tetradic#541578, #782215, #3A7815

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#73D7E6
Lighter +30%#47CBDF
Lighter +20%#24B8CF
Lighter +10%#1D92A3
Darker −10%#0D444D
Darker −20%#061E21
Darker −30%#000000
Darker −40%#000000
More saturated +25%#03788A
Less saturated −25%#275E66

Channel breakdown

R21
G107
B120
Red21 (8.2%)
Green107 (42%)
Blue120 (47.1%)
Hue187.88°
Saturation (HSL)70.21%
Lightness27.65%
Dominant channelBlue
Hex per channelR 15 · G 6B · B 78

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Every value on this page was computed from “156b78” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.