#337440
Closest named color: Dark Olive Green (#556B2F). oklch(50.3% 0.105 148.1), rgb(51, 116, 64).
Aa
White text reads best on this color (5.65:1).
About this color
#337440 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.105 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.041 away. White text reads best on it, at 5.65:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #337440 |
| RGB | rgb(51, 116, 64) |
| HSL | hsl(132, 39%, 33%) |
| OKLCH | oklch(50.3% 0.105 148.1) |
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 #337440 | 5.65:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #337440 | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #337440 text on white | 5.65:1 | AA | Lc 78.1 | Fine for body text |
| #337440 text on black | 3.71:1 | AA large text | Lc -23.7 | 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
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#ABCAAF
oklch(80.9% 0.05 148.8)
-
Step 400
400
#7DAF84
oklch(70.7% 0.082 148.3)
-
Step 500
500
#5B9B65
oklch(63.2% 0.104 147.9)
-
Step 600
600
#3E854C
oklch(55.6% 0.113 148.2)
-
Step 700
700 (this color)
#337440
oklch(50.3% 0.105 148.1)
-
Step 800
800
#295C33
oklch(42.8% 0.087 148.2)
-
Step 900
900
#264B2C
oklch(37.6% 0.068 147.8)
-
Step 950
950
#172C1A
oklch(26.9% 0.043 147.7)
#337440 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) | #756B3C | 0.084 |
| Deuteranopia (no green cones) | #6C6543 | 0.083 |
| Tritanopia (no blue cones) | #267267 | 0.060 |
| Achromatopsia (no color) | #676767 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337440
#337440
oklch(50.3% 0.105 148.1)
- #844C82
#844C82
oklch(50.2% 0.106 328.3)
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 #337440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.041
- Jungle Green #048243 ΔE 0.044
- Camo Green #526525 ΔE 0.051
- Dark Moss Green #606C38 ΔE 0.053
- Tree Green #2A7E19 ΔE 0.057
- Muddy Green #657432 ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.061
- Mud Green #606602 ΔE 0.065
Use #337440 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.