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Colour

#01AB21

  • #01AB21
  • Green
  • Dark
  • Nearest: Limegreen

#01AB21 is a green with RGB values 1, 171, 33 and HSL 131°, 99%, 34%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Limegreen.

Colour values

#01AB21#01AB21
HEX#01AB21
RGBrgb(1, 171, 33)
RGB (0–1)0.0039, 0.6706, 0.1294
RGB percentages0.4%, 67.1%, 12.9%
HSLhsl(131.3, 98.8%, 33.7%)
HSV / HSBhsv(131.3, 99.4%, 67.1%)
CMYK99.4%, 0%, 80.7%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer109,345
CSS custom property--colour: #01AB21;

Brightness & contrast

Relative luminance0.29242WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.85:1
Contrast with white3.07:1WCAG normal text: Fail
Contrast with black6.85:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#FE54DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AE9A00no red cones; affects about 1% of men; ΔE 58.1 from the original
Deuteranopia#9F8F32no green cones; the most common form, about 1% of men; ΔE 57.8 from the original
Tritanopia#00A692no blue cones; rare, and affects men and women equally; ΔE 59.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.07:1WCAG large text: AA
Contrast with black, large text6.85:1WCAG large text: AAA

Named colours

Limegreen · ΔE 13.9Green · ΔE 19.1Forest green · ΔE 19.6Yellow green · ΔE 31.2Spring green · ΔE 32.1Dark green · ΔE 34.2
Nearest named CSS colourLimegreen (#32CD32)ΔE 13.86, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB018B
Analogous#36AB01, #01AB76
Triadic#2101AB, #AB2101
Split complementary#7601AB, #AB0136
Tetradic#0136AB, #AB018B, #AB7601

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7AFE93
Lighter +30%#47FE69
Lighter +20%#14FE40
Lighter +10%#01DE2B
Darker −10%#017817
Darker −20%#00460D
Darker −30%#001304
Darker −40%#000000
More saturated +25%#00AC20
Less saturated −25%#16952E

Channel breakdown

R1
G171
B33
Red1 (0.4%)
Green171 (67.1%)
Blue33 (12.9%)
Hue131.29°
Saturation (HSL)98.84%
Lightness33.73%
Dominant channelGreen
Hex per channelR 01 · G AB · B 21

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Every value on this page was computed from “01ab21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.