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Recognised as Colour

#1B570F

  • #1B570F
  • Green
  • Dark
  • Nearest: Dark green

#1B570F is a green with RGB values 27, 87, 15 and HSL 110°, 71%, 20%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark green.

Colour values

#1B570F#1B570F
HEX#1B570F
RGBrgb(27, 87, 15)
RGB (0–1)0.1059, 0.3412, 0.0588
RGB percentages10.6%, 34.1%, 5.9%
HSLhsl(110, 70.6%, 20%)
HSV / HSBhsv(110, 82.8%, 34.1%)
CMYK69%, 0%, 82.8%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,791,759
CSS custom property--colour: #1B570F;

Brightness & contrast

Relative luminance0.07084WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.69:1
Contrast with white8.69:1WCAG normal text: AAA
Contrast with black2.42:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#E4A8F0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#594E01no red cones; affects about 1% of men; ΔE 31.2 from the original
Deuteranopia#524917no green cones; the most common form, about 1% of men; ΔE 31 from the original
Tritanopia#115449no blue cones; rare, and affects men and women equally; ΔE 34.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.69:1WCAG large text: AAA
Contrast with black, large text2.42:1WCAG large text: Fail

Named colours

Dark green · ΔE 13.3Dark olivegreen · ΔE 18.3Sea green · ΔE 24.5Forest green · ΔE 26.9Green · ΔE 28.1Olivedrab · ΔE 28.3
Nearest named CSS colourDark green (#006400)ΔE 13.33, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B0F57
Analogous#3F570F, #0F5727
Triadic#0F1B57, #570F1B
Split complementary#270F57, #570F3F
Tetradic#0F3F57, #4B0F57, #57270F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#69E151
Lighter +30%#44DA26
Lighter +20%#36AE1E
Lighter +10%#298317
Darker −10%#0E2B08
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#136402
Less saturated −25%#244A1C

Channel breakdown

R27
G87
B15
Red27 (10.6%)
Green87 (34.1%)
Blue15 (5.9%)
Hue110°
Saturation (HSL)70.59%
Lightness20%
Dominant channelGreen
Hex per channelR 1B · G 57 · B 0F

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Every value on this page was computed from “1b570f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.