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Recognised as Colour

#1FBF59

  • #1FBF59
  • Green
  • Dark
  • Nearest: Medium seagreen

#1FBF59 is a green with RGB values 31, 191, 89 and HSL 142°, 72%, 44%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#1FBF59#1FBF59
HEX#1FBF59
RGBrgb(31, 191, 89)
RGB (0–1)0.1216, 0.749, 0.349
RGB percentages12.2%, 74.9%, 34.9%
HSLhsl(141.8, 72.1%, 43.5%)
HSV / HSBhsv(141.8, 83.8%, 74.9%)
CMYK83.8%, 0%, 53.4%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,080,601
CSS custom property--colour: #1FBF59;

Brightness & contrast

Relative luminance0.38274WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.65:1
Contrast with white2.43:1WCAG normal text: Fail
Contrast with black8.65:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#E040A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0AE50no red cones; affects about 1% of men; ΔE 56.4 from the original
Deuteranopia#AFA261no green cones; the most common form, about 1% of men; ΔE 56.5 from the original
Tritanopia#00BBA8no blue cones; rare, and affects men and women equally; ΔE 45.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.43:1WCAG large text: Fail
Contrast with black, large text8.65:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 20.5Forest green · ΔE 21.4Limegreen · ΔE 22.5Medium spring green · ΔE 22.9Light green · ΔE 23.6Green · ΔE 25.7
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 20.52, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF1F85
Analogous#35BF1F, #1FBFA9
Triadic#591FBF, #BF591F
Split complementary#A91FBF, #BF1F35
Tetradic#1F35BF, #BF1F85, #BFA91F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7F3CD
Lighter +30%#8BECAE
Lighter +20%#5FE590
Lighter +10%#33DE71
Darker −10%#189345
Darker −20%#116730
Darker −30%#0A3B1C
Darker −40%#030F07
More saturated +25%#03DB51
Less saturated −25%#3BA361

Channel breakdown

R31
G191
B89
Red31 (12.2%)
Green191 (74.9%)
Blue89 (34.9%)
Hue141.75°
Saturation (HSL)72.07%
Lightness43.53%
Dominant channelGreen
Hex per channelR 1F · G BF · B 59

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Every value on this page was computed from “1fbf59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.