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Recognised as Colour

#1B2201

  • #1B2201
  • Green
  • Dark
  • Nearest: Black

#1B2201 is a green with RGB values 27, 34, 1 and HSL 73°, 94%, 7%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B2201#1B2201
HEX#1B2201
RGBrgb(27, 34, 1)
RGB (0–1)0.1059, 0.1333, 0.0039
RGB percentages10.6%, 13.3%, 0.4%
HSLhsl(72.7, 94.3%, 6.9%)
HSV / HSBhsv(72.7, 97.1%, 13.3%)
CMYK20.6%, 0%, 97.1%, 86.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,778,177
CSS custom property--colour: #1B2201;

Brightness & contrast

Relative luminance0.01379WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.46:1
Contrast with white16.46:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#E4DDFE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#251F00no red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#241F03no green cones; the most common form, about 1% of men; ΔE 7.4 from the original
Tritanopia#1D201Bno blue cones; rare, and affects men and women equally; ΔE 15.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.46:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 22.6Dark slate grey · ΔE 28.5Dark olivegreen · ΔE 34.7Dim grey · ΔE 37.9Gray · ΔE 46Teal · ΔE 48.5
Nearest named CSS colourBlack (#000000)ΔE 22.64, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#080122
Analogous#221901, #0A2201
Triadic#011B22, #22011B
Split complementary#010A22, #190122
Tetradic#012219, #080122, #22010A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8E807
Lighter +30%#91B705
Lighter +20%#6A8504
Lighter +10%#425402
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C2300
Less saturated −25%#181E05

Channel breakdown

R27
G34
B1
Red27 (10.6%)
Green34 (13.3%)
Blue1 (0.4%)
Hue72.73°
Saturation (HSL)94.29%
Lightness6.86%
Dominant channelGreen
Hex per channelR 1B · G 22 · B 01

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Every value on this page was computed from “1b2201” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.