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Recognised as Colour

#31B307

  • #31B307
  • Green
  • Dark
  • Nearest: Limegreen

#31B307 is a green with RGB values 49, 179, 7 and HSL 105°, 92%, 36%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#31B307#31B307
HEX#31B307
RGBrgb(49, 179, 7)
RGB (0–1)0.1922, 0.702, 0.0275
RGB percentages19.2%, 70.2%, 2.7%
HSLhsl(105.3, 92.5%, 36.5%)
HSV / HSBhsv(105.3, 96.1%, 70.2%)
CMYK72.6%, 0%, 96.1%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,257,095
CSS custom property--colour: #31B307;

Brightness & contrast

Relative luminance0.32909WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.58:1
Contrast with white2.77:1WCAG normal text: Fail
Contrast with black7.58:1WCAG normal text: AAA
Greyscale equivalent#8B8B8B
Inverted#CE4CF8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B8A100no red cones; affects about 1% of men; ΔE 56.6 from the original
Deuteranopia#A99828no green cones; the most common form, about 1% of men; ΔE 55.6 from the original
Tritanopia#0CAD98no blue cones; rare, and affects men and women equally; ΔE 66.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.77:1WCAG large text: Fail
Contrast with black, large text7.58:1WCAG large text: AAA

Named colours

Limegreen · ΔE 10.6Green · ΔE 24.4Forest green · ΔE 25.7Yellow green · ΔE 26.5Spring green · ΔE 33.4Lawn green · ΔE 33.4
Nearest named CSS colourLimegreen (#32CD32)ΔE 10.62, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8907B3
Analogous#87B307, #07B333
Triadic#0731B3, #B30731
Split complementary#3307B3, #B30787
Tetradic#0787B3, #8907B3, #B33307

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7FA8C
Lighter +30%#81F95A
Lighter +20%#5BF729
Lighter +10%#3EE409
Darker −10%#248205
Darker −20%#165103
Darker −30%#092001
Darker −40%#000000
More saturated +25%#2DBA00
Less saturated −25%#3D9C1E

Channel breakdown

R49
G179
B7
Red49 (19.2%)
Green179 (70.2%)
Blue7 (2.7%)
Hue105.35°
Saturation (HSL)92.47%
Lightness36.47%
Dominant channelGreen
Hex per channelR 31 · G B3 · B 07

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Every value on this page was computed from “31b307” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.