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Recognised as Colour

#21806A

  • #21806A
  • Cyan
  • Dark
  • Nearest: Teal

#21806A is a cyan with RGB values 33, 128, 106 and HSL 166°, 59%, 32%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#21806A#21806A
HEX#21806A
RGBrgb(33, 128, 106)
RGB (0–1)0.1294, 0.502, 0.4157
RGB percentages12.9%, 50.2%, 41.6%
HSLhsl(166.1, 59%, 31.6%)
HSV / HSBhsv(166.1, 74.2%, 50.2%)
CMYK74.2%, 0%, 17.2%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,195,562
CSS custom property--colour: #21806A;

Brightness & contrast

Relative luminance0.16802WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.82:1
Contrast with white4.82:1WCAG normal text: AA
Contrast with black4.36:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#DE7F95

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7C7769no red cones; affects about 1% of men; ΔE 32.3 from the original
Deuteranopia#6F6E6Cno green cones; the most common form, about 1% of men; ΔE 32.8 from the original
Tritanopia#00817Ano blue cones; rare, and affects men and women equally; ΔE 9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.82:1WCAG large text: AAA
Contrast with black, large text4.36:1WCAG large text: AA

Named colours

Teal · ΔE 13.2Dark cyan · ΔE 14Sea green · ΔE 17.7Light seagreen · ΔE 21.2Cadetblue · ΔE 21.8Dark slate grey · ΔE 27.9
Nearest named CSS colourTeal (#008080)ΔE 13.2, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#802137
Analogous#21803B, #216680
Triadic#6A2180, #806A21
Split complementary#802166, #803B21
Tetradic#3B2180, #802137, #678021

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8CE1CD
Lighter +30%#63D7BC
Lighter +20%#3BCCAB
Lighter +10%#2BA98C
Darker −10%#175748
Darker −20%#0C2F27
Darker −30%#020605
Darker −40%#000000
More saturated +25%#0D9475
Less saturated −25%#356C5F

Channel breakdown

R33
G128
B106
Red33 (12.9%)
Green128 (50.2%)
Blue106 (41.6%)
Hue166.11°
Saturation (HSL)59.01%
Lightness31.57%
Dominant channelGreen
Hex per channelR 21 · G 80 · B 6A

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Every value on this page was computed from “21806a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.