#33591B
Closest named color: Navy Green (#35530A). oklch(42.1% 0.101 135.4), rgb(51, 89, 27).
Aa
White text reads best on this color (8.12:1).
About this color
#33591B is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.101 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 0.020 away. White text reads best on it, at 8.12:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #33591B |
| RGB | rgb(51, 89, 27) |
| HSL | hsl(97, 53%, 23%) |
| OKLCH | oklch(42.1% 0.101 135.4) |
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 #33591B | 8.12:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #33591B | 2.58:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #33591B text on white | 8.12:1 | AAA | Lc 87.9 | Fine for body text |
| #33591B text on black | 2.58:1 | Fails | Lc -14.2 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE1
oklch(93.7% 0.018 134.9)
-
Step 200
200
#D0DEC9
oklch(88.4% 0.032 135)
-
Step 300
300
#B0CAA4
oklch(80.9% 0.059 135.8)
-
Step 400
400
#87AE72
oklch(70.7% 0.094 135.1)
-
Step 500
500
#689A4C
oklch(63.2% 0.121 135.4)
-
Step 600
600
#4F842E
oklch(55.7% 0.131 135.4)
-
Step 700
700
#3F6F20
oklch(49% 0.121 135.5)
-
Step 800
800 (this color)
#33591B
oklch(42.1% 0.101 135.4)
-
Step 900
900
#2E4B1E
oklch(37.8% 0.079 135.7)
-
Step 950
950
#1B2C12
oklch(27% 0.05 135.7)
#33591B 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) | #5C5213 | 0.060 |
| Deuteranopia (no green cones) | #574E20 | 0.062 |
| Tritanopia (no blue cones) | #32564C | 0.071 |
| Achromatopsia (no color) | #505050 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33591B
#33591B
oklch(42.1% 0.101 135.4)
- #623A72
#623A72
oklch(42.1% 0.101 315.7)
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 #33591B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.020
- Pine #2B5D34 ΔE 0.027
- Army Green #4B5D16 ΔE 0.035
- Spruce #0A5F38 ΔE 0.037
- Deep Green #02590F ΔE 0.038
- Forest #0B5509 ΔE 0.041
- Camouflage Green #4B6113 ΔE 0.043
- Green Brown #544E03 ΔE 0.052
Use #33591B 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.