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Recognised as Colour

#21BE54

  • #21BE54
  • Green
  • Dark
  • Nearest: Limegreen

#21BE54 is a green with RGB values 33, 190, 84 and HSL 139°, 70%, 44%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#21BE54#21BE54
HEX#21BE54
RGBrgb(33, 190, 84)
RGB (0–1)0.1294, 0.7451, 0.3294
RGB percentages12.9%, 74.5%, 32.9%
HSLhsl(139.5, 70.4%, 43.7%)
HSV / HSBhsv(139.5, 82.6%, 74.5%)
CMYK82.6%, 0%, 55.8%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,211,412
CSS custom property--colour: #21BE54;

Brightness & contrast

Relative luminance0.3779WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.56:1
Contrast with white2.45:1WCAG normal text: Fail
Contrast with black8.56:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#DE41AB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0AD4Ano red cones; affects about 1% of men; ΔE 56.7 from the original
Deuteranopia#AFA15Cno green cones; the most common form, about 1% of men; ΔE 56.7 from the original
Tritanopia#00BAA6no blue cones; rare, and affects men and women equally; ΔE 46.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.45:1WCAG large text: Fail
Contrast with black, large text8.56:1WCAG large text: AAA

Named colours

Limegreen · ΔE 20.7Forest green · ΔE 20.9Medium seagreen · ΔE 22.2Medium spring green · ΔE 23.9Light green · ΔE 24.3Green · ΔE 24.7
Nearest named CSS colourLimegreen (#32CD32)ΔE 20.71, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE218B
Analogous#3DBE21, #21BEA2
Triadic#5421BE, #BE5421
Split complementary#A221BE, #BE213D
Tetradic#213DBE, #BE218B, #BEA221

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8F3CB
Lighter +30%#8DEBAB
Lighter +20%#61E48C
Lighter +10%#36DC6C
Darker −10%#199341
Darker −20%#12672E
Darker −30%#0A3C1A
Darker −40%#031007
More saturated +25%#05DA4A
Less saturated −25%#3DA25E

Channel breakdown

R33
G190
B84
Red33 (12.9%)
Green190 (74.5%)
Blue84 (32.9%)
Hue139.49°
Saturation (HSL)70.4%
Lightness43.73%
Dominant channelGreen
Hex per channelR 21 · G BE · B 54

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Every value on this page was computed from “21be54” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.