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Recognised as Colour

#1FB259

  • #1FB259
  • Green
  • Dark
  • Nearest: Medium seagreen

#1FB259 is a green with RGB values 31, 178, 89 and HSL 144°, 70%, 41%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#1FB259#1FB259
HEX#1FB259
RGBrgb(31, 178, 89)
RGB (0–1)0.1216, 0.698, 0.349
RGB percentages12.2%, 69.8%, 34.9%
HSLhsl(143.7, 70.3%, 41%)
HSV / HSBhsv(143.7, 82.6%, 69.8%)
CMYK82.6%, 0%, 50%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,077,273
CSS custom property--colour: #1FB259;

Brightness & contrast

Relative luminance0.32853WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.57:1
Contrast with white2.77:1WCAG normal text: Fail
Contrast with black7.57:1WCAG normal text: AAA
Greyscale equivalent#8C8C8C
Inverted#E04DA6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B3A252no red cones; affects about 1% of men; ΔE 52.8 from the original
Deuteranopia#A39760no green cones; the most common form, about 1% of men; ΔE 52.8 from the original
Tritanopia#00AF9Dno 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 text2.77:1WCAG large text: Fail
Contrast with black, large text7.57:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 13.6Forest green · ΔE 18Green · ΔE 23.6Light green · ΔE 24.7Sea green · ΔE 25.7Medium spring green · ΔE 27.5
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 13.59, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B21F78
Analogous#2FB21F, #1FB2A2
Triadic#591FB2, #B2591F
Split complementary#A21FB2, #B21F2F
Tetradic#1F2FB2, #B21F78, #B2A21F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACF1C7
Lighter +30%#81E9AA
Lighter +20%#56E18D
Lighter +10%#2ADA6F
Darker −10%#178743
Darker −20%#105B2E
Darker −30%#083018
Darker −40%#010402
More saturated +25%#05CC53
Less saturated −25%#39985F

Channel breakdown

R31
G178
B89
Red31 (12.2%)
Green178 (69.8%)
Blue89 (34.9%)
Hue143.67°
Saturation (HSL)70.33%
Lightness40.98%
Dominant channelGreen
Hex per channelR 1F · G B2 · B 59

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Every value on this page was computed from “1fb259” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.