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Recognised as Colour

#01903B

  • #01903B
  • Green
  • Dark
  • Nearest: Forest green

#01903B is a green with RGB values 1, 144, 59 and HSL 144°, 99%, 28%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#01903B#01903B
HEX#01903B
RGBrgb(1, 144, 59)
RGB (0–1)0.0039, 0.5647, 0.2314
RGB percentages0.4%, 56.5%, 23.1%
HSLhsl(144.3, 98.6%, 28.4%)
HSV / HSBhsv(144.3, 99.3%, 56.5%)
CMYK99.3%, 0%, 59%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer102,459
CSS custom property--colour: #01903B;

Brightness & contrast

Relative luminance0.20269WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.05:1
Contrast with white4.16:1WCAG normal text: Fail
Contrast with black5.05:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#FE6FC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#918233no red cones; affects about 1% of men; ΔE 48.2 from the original
Deuteranopia#847942no green cones; the most common form, about 1% of men; ΔE 48.2 from the original
Tritanopia#008D7Dno blue cones; rare, and affects men and women equally; ΔE 39.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.16:1WCAG large text: AA
Contrast with black, large text5.05:1WCAG large text: AAA

Named colours

Forest green · ΔE 9.8Green · ΔE 15.5Medium seagreen · ΔE 17.7Dark green · ΔE 19.1Sea green · ΔE 19.6Olivedrab · ΔE 27.5
Nearest named CSS colourForest green (#228B22)ΔE 9.81, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#900156
Analogous#0F9001, #019082
Triadic#3B0190, #903B01
Split complementary#820190, #90010F
Tetradic#010F90, #900156, #908201

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5FFEA0
Lighter +30%#2CFE81
Lighter +20%#02F565
Lighter +10%#01C350
Darker −10%#015D26
Darker −20%#002B11
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00913B
Less saturated −25%#137E3E

Channel breakdown

R1
G144
B59
Red1 (0.4%)
Green144 (56.5%)
Blue59 (23.1%)
Hue144.34°
Saturation (HSL)98.62%
Lightness28.43%
Dominant channelGreen
Hex per channelR 01 · G 90 · B 3B

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Every value on this page was computed from “01903b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.