Nerdulator> put something in

Recognised as Colour

#21BA55

  • #21BA55
  • Green
  • Dark
  • Nearest: Forest green

#21BA55 is a green with RGB values 33, 186, 85 and HSL 140°, 70%, 43%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Forest green.

Colour values

#21BA55#21BA55
HEX#21BA55
RGBrgb(33, 186, 85)
RGB (0–1)0.1294, 0.7294, 0.3333
RGB percentages12.9%, 72.9%, 33.3%
HSLhsl(140.4, 69.9%, 42.9%)
HSV / HSBhsv(140.4, 82.3%, 72.9%)
CMYK82.3%, 0%, 54.3%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,210,389
CSS custom property--colour: #21BA55;

Brightness & contrast

Relative luminance0.36097WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.22:1
Contrast with white2.55:1WCAG normal text: Fail
Contrast with black8.22:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#DE45AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BCA94Cno red cones; affects about 1% of men; ΔE 55.7 from the original
Deuteranopia#AB9D5Dno green cones; the most common form, about 1% of men; ΔE 55.8 from the original
Tritanopia#00B6A3no blue cones; rare, and affects men and women equally; ΔE 44.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.55:1WCAG large text: Fail
Contrast with black, large text8.22:1WCAG large text: AAA

Named colours

Forest green · ΔE 19.4Medium seagreen · ΔE 19.6Limegreen · ΔE 23.3Green · ΔE 23.8Light green · ΔE 24.1Medium spring green · ΔE 24.8
Nearest named CSS colourForest green (#228B22)ΔE 19.41, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA2186
Analogous#3ABA21, #21BAA1
Triadic#5521BA, #BA5521
Split complementary#A121BA, #BA213A
Tetradic#213ABA, #BA2186, #BAA121

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5F2CA
Lighter +30%#8AEAAB
Lighter +20%#5EE38B
Lighter +10%#33DB6C
Darker −10%#198F41
Darker −20%#12632D
Darker −30%#0A381A
Darker −40%#020D06
More saturated +25%#06D54C
Less saturated −25%#3C9F5E

Channel breakdown

R33
G186
B85
Red33 (12.9%)
Green186 (72.9%)
Blue85 (33.3%)
Hue140.39°
Saturation (HSL)69.86%
Lightness42.94%
Dominant channelGreen
Hex per channelR 21 · G BA · B 55

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “21ba55” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.