Nerdulator> put something in

Recognised as Colour

#21DF54

  • #21DF54
  • Green
  • Light
  • Nearest: Limegreen

#21DF54 is a green with RGB values 33, 223, 84 and HSL 136°, 75%, 50%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#21DF54#21DF54
HEX#21DF54
RGBrgb(33, 223, 84)
RGB (0–1)0.1294, 0.8745, 0.3294
RGB percentages12.9%, 87.5%, 32.9%
HSLhsl(136.1, 74.8%, 50.2%)
HSV / HSBhsv(136.1, 85.2%, 87.5%)
CMYK85.2%, 0%, 62.3%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,219,860
CSS custom property--colour: #21DF54;

Brightness & contrast

Relative luminance0.53739WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.75:1
Contrast with white1.79:1WCAG normal text: Fail
Contrast with black11.75:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#DE20AB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E2CA44no red cones; affects about 1% of men; ΔE 66.5 from the original
Deuteranopia#CEBC60no green cones; the most common form, about 1% of men; ΔE 66.3 from the original
Tritanopia#00DAC2no blue cones; rare, and affects men and women equally; ΔE 59.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.79:1WCAG large text: Fail
Contrast with black, large text11.75:1WCAG large text: AAA

Named colours

Limegreen · ΔE 10Spring green · ΔE 13.7Medium spring green · ΔE 23.7Pale green · ΔE 30.7Light green · ΔE 31.6Lawn green · ΔE 32.5
Nearest named CSS colourLimegreen (#32CD32)ΔE 10.03, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF21AC
Analogous#4DDF21, #21DFB3
Triadic#5421DF, #DF5421
Split complementary#B321DF, #DF214D
Tetradic#214DDF, #DF21AC, #DFB321

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3F9DD
Lighter +30%#A7F2BB
Lighter +20%#7AEC99
Lighter +10%#4EE576
Darker −10%#1AB343
Darker −20%#138732
Darker −30%#0D5A22
Darker −40%#072D11
More saturated +25%#01FF45
Less saturated −25%#41BF63

Channel breakdown

R33
G223
B84
Red33 (12.9%)
Green223 (87.5%)
Blue84 (32.9%)
Hue136.11°
Saturation (HSL)74.8%
Lightness50.2%
Dominant channelGreen
Hex per channelR 21 · G DF · B 54

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 “21df54” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.