Nerdulator> put something in

Recognised as Colour

#213D28

  • #213D28
  • Green
  • Dark
  • Nearest: Dark slate grey

#213D28 is a green with RGB values 33, 61, 40 and HSL 135°, 30%, 18%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#213D28#213D28
HEX#213D28
RGBrgb(33, 61, 40)
RGB (0–1)0.1294, 0.2392, 0.1569
RGB percentages12.9%, 23.9%, 15.7%
HSLhsl(135, 29.8%, 18.4%)
HSV / HSBhsv(135, 45.9%, 23.9%)
CMYK45.9%, 0%, 34.4%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,178,344
CSS custom property--colour: #213D28;

Brightness & contrast

Relative luminance0.03814WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.91:1
Contrast with white11.91:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#DEC2D7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D3927no red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#393629no green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#1C3C37no blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.91:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.4Dim grey · ΔE 28.5Dark olivegreen · ΔE 28.5Black · ΔE 29.8Teal · ΔE 33.6Gray · ΔE 35.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.36, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D2136
Analogous#283D21, #213D36
Triadic#28213D, #3D2821
Split complementary#36213D, #3D2128
Tetradic#21283D, #3D2136, #3D3621

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#75B585
Lighter +30%#57A069
Lighter +20%#457F53
Lighter +10%#335E3E
Darker −10%#0F1C12
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#154922
Less saturated −25%#2D312E

Channel breakdown

R33
G61
B40
Red33 (12.9%)
Green61 (23.9%)
Blue40 (15.7%)
Hue135°
Saturation (HSL)29.79%
Lightness18.43%
Dominant channelGreen
Hex per channelR 21 · G 3D · B 28

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 “213d28” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.