Nerdulator> put something in

Recognised as Colour

#21D25B

  • #21D25B
  • Green
  • Dark
  • Nearest: Limegreen

#21D25B is a green with RGB values 33, 210, 91 and HSL 140°, 73%, 48%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#21D25B#21D25B
HEX#21D25B
RGBrgb(33, 210, 91)
RGB (0–1)0.1294, 0.8235, 0.3569
RGB percentages12.9%, 82.4%, 35.7%
HSLhsl(139.7, 72.8%, 47.6%)
HSV / HSBhsv(139.7, 84.3%, 82.4%)
CMYK84.3%, 0%, 56.7%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,216,539
CSS custom property--colour: #21D25B;

Brightness & contrast

Relative luminance0.47172WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.43:1
Contrast with white2.01:1WCAG normal text: Fail
Contrast with black10.43:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#DE2DA4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D4BF4Fno red cones; affects about 1% of men; ΔE 61.8 from the original
Deuteranopia#C2B265no green cones; the most common form, about 1% of men; ΔE 62 from the original
Tritanopia#00CEB8no blue cones; rare, and affects men and women equally; ΔE 51.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.01:1WCAG large text: Fail
Contrast with black, large text10.43:1WCAG large text: AAA

Named colours

Limegreen · ΔE 14.9Spring green · ΔE 17.6Medium spring green · ΔE 19.7Light green · ΔE 25.5Pale green · ΔE 25.8Forest green · ΔE 29.2
Nearest named CSS colourLimegreen (#32CD32)ΔE 14.92, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D22198
Analogous#3FD221, #21D2B4
Triadic#5B21D2, #D25B21
Split complementary#B421D2, #D2213F
Tetradic#213FD2, #D22198, #D2B421

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9F6D8
Lighter +30%#9CF0B8
Lighter +20%#70E998
Lighter +10%#44E278
Darker −10%#1AA648
Darker −20%#137A35
Darker −30%#0C4E22
Darker −40%#05220F
More saturated +25%#03F051
Less saturated −25%#3FB465

Channel breakdown

R33
G210
B91
Red33 (12.9%)
Green210 (82.4%)
Blue91 (35.7%)
Hue139.66°
Saturation (HSL)72.84%
Lightness47.65%
Dominant channelGreen
Hex per channelR 21 · G D2 · B 5B

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 “21d25b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.