#337545
Closest named color: Dark Olive Green (#556B2F). oklch(50.6% 0.102 150.2), rgb(51, 117, 69).
Aa
White text reads best on this color (5.56:1).
About this color
#337545 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.102 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.043 away. White text reads best on it, at 5.56:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #337545 |
| RGB | rgb(51, 117, 69) |
| HSL | hsl(136, 39%, 33%) |
| OKLCH | oklch(50.6% 0.102 150.2) |
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 #337545 | 5.56:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #337545 | 3.77:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #337545 text on white | 5.56:1 | AA | Lc 77.6 | Fine for body text |
| #337545 text on black | 3.77:1 | AA large text | Lc -24.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CDDFD0
oklch(88.6% 0.028 150.4)
-
Step 300
300
#ABCAB0
oklch(80.9% 0.049 149.8)
-
Step 400
400
#7DAF87
oklch(70.8% 0.079 150.2)
-
Step 500
500
#5A9B69
oklch(63.2% 0.101 150.1)
-
Step 600
600
#3D8550
oklch(55.6% 0.109 150.1)
-
Step 700
700 (this color)
#337545
oklch(50.6% 0.102 150.2)
-
Step 800
800
#285C36
oklch(42.8% 0.084 150.3)
-
Step 900
900
#254B2F
oklch(37.6% 0.065 150.8)
-
Step 950
950
#172C1C
oklch(27% 0.04 150.6)
#337545 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) | #766C42 | 0.085 |
| Deuteranopia (no green cones) | #6D6648 | 0.083 |
| Tritanopia (no blue cones) | #247369 | 0.056 |
| Achromatopsia (no color) | #686868 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337545
#337545
oklch(50.6% 0.102 150.2)
- #854E80
#854E80
oklch(50.6% 0.101 330.3)
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 #337545, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.043
- Jungle Green #048243 ΔE 0.044
- Dark Moss Green #606C38 ΔE 0.053
- Camo Green #526525 ΔE 0.054
- Muddy Green #657432 ΔE 0.057
- Tree Green #2A7E19 ΔE 0.060
- Military Green #667C3E ΔE 0.064
- Sea Green #2E8B57 ΔE 0.065
Use #337545 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.