#33571B
Closest named color: Navy Green (#35530A). oklch(41.5% 0.098 135), rgb(51, 87, 27).
Aa
White text reads best on this color (8.33:1).
About this color
#33571B is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.098 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.015 away. White text reads best on it, at 8.33:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #33571B |
| RGB | rgb(51, 87, 27) |
| HSL | hsl(96, 53%, 22%) |
| OKLCH | oklch(41.5% 0.098 135) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #33571B | 8.33:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #33571B | 2.51:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #33571B text on white | 8.33:1 | AAA | Lc 88.6 | Fine for body text |
| #33571B text on black | 2.51:1 | Fails | Lc -13.6 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5ECE2
oklch(93.5% 0.015 136.1)
-
Step 200
200
#D0DEC9
oklch(88.4% 0.032 135)
-
Step 300
300
#B1C9A5
oklch(80.8% 0.056 135.2)
-
Step 400
400
#88AE73
oklch(70.8% 0.092 134.9)
-
Step 500
500
#6A994E
oklch(63.1% 0.117 134.9)
-
Step 600
600
#518330
oklch(55.6% 0.127 134.9)
-
Step 700
700
#416F23
oklch(49.1% 0.118 135.2)
-
Step 800
800 (this color)
#33571B
oklch(41.5% 0.098 135)
-
Step 900
900
#2F4A1F
oklch(37.6% 0.075 135.1)
-
Step 950
950
#1C2C13
oklch(27.1% 0.048 135.2)
#33571B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5A5014 | 0.058 |
| Deuteranopia (no green cones) | #554D20 | 0.059 |
| Tritanopia (no blue cones) | #32544A | 0.069 |
| Achromatopsia (no color) | #4E4E4E | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33571B
#33571B
oklch(41.5% 0.098 135)
- #5F3970
#5F3970
oklch(41.4% 0.098 314.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #33571B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.015
- Pine #2B5D34 ΔE 0.029
- Deep Green #02590F ΔE 0.038
- Army Green #4B5D16 ΔE 0.039
- Spruce #0A5F38 ΔE 0.039
- Forest #0B5509 ΔE 0.039
- Camouflage Green #4B6113 ΔE 0.048
- Green Brown #544E03 ΔE 0.050
Use #33571B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.