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Recognised as Colour

#1B490F

  • #1B490F
  • Green
  • Dark
  • Nearest: Dark olivegreen

#1B490F is a green with RGB values 27, 73, 15 and HSL 108°, 66%, 17%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#1B490F#1B490F
HEX#1B490F
RGBrgb(27, 73, 15)
RGB (0–1)0.1059, 0.2863, 0.0588
RGB percentages10.6%, 28.6%, 5.9%
HSLhsl(107.6, 65.9%, 17.3%)
HSV / HSBhsv(107.6, 79.5%, 28.6%)
CMYK63%, 0%, 79.5%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,788,175
CSS custom property--colour: #1B490F;

Brightness & contrast

Relative luminance0.05033WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.47:1
Contrast with white10.47:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#E4B6F0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B4206no red cones; affects about 1% of men; ΔE 25.5 from the original
Deuteranopia#453E15no green cones; the most common form, about 1% of men; ΔE 25.2 from the original
Tritanopia#16463Eno blue cones; rare, and affects men and women equally; ΔE 30 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.47:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 18Dark green · ΔE 22.4Sea green · ΔE 28.6Olivedrab · ΔE 35Forest green · ΔE 36.1Dark slate grey · ΔE 36.4
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 18.05, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D0F49
Analogous#38490F, #0F4920
Triadic#0F1B49, #490F1B
Split complementary#200F49, #490F38
Tetradic#0F3849, #3D0F49, #49200F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#68DA4A
Lighter +30%#4AC829
Lighter +20%#3A9E20
Lighter +10%#2B7318
Darker −10%#0B1F06
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#155404
Less saturated −25%#213E1A

Channel breakdown

R27
G73
B15
Red27 (10.6%)
Green73 (28.6%)
Blue15 (5.9%)
Hue107.59°
Saturation (HSL)65.91%
Lightness17.25%
Dominant channelGreen
Hex per channelR 1B · G 49 · B 0F

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Every value on this page was computed from “1b490f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.