Nerdulator> put something in

Recognised as Colour

#223D21

  • #223D21
  • Green
  • Dark
  • Nearest: Dark slate grey

#223D21 is a green with RGB values 34, 61, 33 and HSL 118°, 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

#223D21#223D21
HEX#223D21
RGBrgb(34, 61, 33)
RGB (0–1)0.1333, 0.2392, 0.1294
RGB percentages13.3%, 23.9%, 12.9%
HSLhsl(117.9, 29.8%, 18.4%)
HSV / HSBhsv(117.9, 45.9%, 23.9%)
CMYK44.3%, 0%, 45.9%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,243,873
CSS custom property--colour: #223D21;

Brightness & contrast

Relative luminance0.03787WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.95:1
Contrast with white11.95:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#DDC2DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E381Fno red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#3A3623no green cones; the most common form, about 1% of men; ΔE 15.5 from the original
Tritanopia#1F3B36no blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.95:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.4Dark olivegreen · ΔE 25.4Dim grey · ΔE 30.9Black · ΔE 32Teal · ΔE 35.9Sea green · ΔE 36.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.42, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C213D
Analogous#303D21, #213D2E
Triadic#21223D, #3D2122
Split complementary#2E213D, #3D2130
Tetradic#21303D, #3C213D, #3D2E21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#78B575
Lighter +30%#59A057
Lighter +20%#477F45
Lighter +10%#345E33
Darker −10%#101C0F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#174915
Less saturated −25%#2D312D

Channel breakdown

R34
G61
B33
Red34 (13.3%)
Green61 (23.9%)
Blue33 (12.9%)
Hue117.86°
Saturation (HSL)29.79%
Lightness18.43%
Dominant channelGreen
Hex per channelR 22 · G 3D · B 21

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 “223d21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.