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Recognised as Colour

#21BD29

  • #21BD29
  • Green
  • Dark
  • Nearest: Limegreen

#21BD29 is a green with RGB values 33, 189, 41 and HSL 123°, 70%, 44%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#21BD29#21BD29
HEX#21BD29
RGBrgb(33, 189, 41)
RGB (0–1)0.1294, 0.7412, 0.1608
RGB percentages12.9%, 74.1%, 16.1%
HSLhsl(123.1, 70.3%, 43.5%)
HSV / HSBhsv(123.1, 82.5%, 74.1%)
CMYK82.5%, 0%, 78.3%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,211,113
CSS custom property--colour: #21BD29;

Brightness & contrast

Relative luminance0.36879WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.38:1
Contrast with white2.51:1WCAG normal text: Fail
Contrast with black8.38:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#DE42D6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C1AA00no red cones; affects about 1% of men; ΔE 60.9 from the original
Deuteranopia#B19F3Bno green cones; the most common form, about 1% of men; ΔE 60.2 from the original
Tritanopia#00B7A1no blue cones; rare, and affects men and women equally; ΔE 62.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.51:1WCAG large text: Fail
Contrast with black, large text8.38:1WCAG large text: AAA

Named colours

Limegreen · ΔE 6.3Green · ΔE 26.5Forest green · ΔE 26.6Spring green · ΔE 27.1Yellow green · ΔE 29.6Medium spring green · ΔE 33.8
Nearest named CSS colourLimegreen (#32CD32)ΔE 6.31, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD21B5
Analogous#67BD21, #21BD77
Triadic#2921BD, #BD2921
Split complementary#7721BD, #BD2167
Tetradic#2167BD, #BD21B5, #BD7721

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7F3BB
Lighter +30%#8CEB91
Lighter +20%#61E367
Lighter +10%#35DC3E
Darker −10%#199220
Darker −20%#126616
Darker −30%#0A3B0D
Darker −40%#030F03
More saturated +25%#05D910
Less saturated −25%#3DA142

Channel breakdown

R33
G189
B41
Red33 (12.9%)
Green189 (74.1%)
Blue41 (16.1%)
Hue123.08°
Saturation (HSL)70.27%
Lightness43.53%
Dominant channelGreen
Hex per channelR 21 · G BD · B 29

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Every value on this page was computed from “21bd29” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.