#337437
Closest named color: Dark Olive Green (#556B2F). oklch(50.1% 0.115 144.8), rgb(51, 116, 55).
Aa
White text reads best on this color (5.68:1).
About this color
#337437 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.115 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.042 away. White text reads best on it, at 5.68:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.69:1 |
| White text | 5.68:1 |
Values
| HEX | #337437 |
| RGB | rgb(51, 116, 55) |
| HSL | hsl(124, 39%, 33%) |
| OKLCH | oklch(50.1% 0.115 144.8) |
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 #337437 | 5.68:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #337437 | 3.69:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #337437 text on white | 5.68:1 | AA | Lc 78.2 | Fine for body text |
| #337437 text on black | 3.69:1 | AA large text | Lc -23.6 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CDDFCD
oklch(88.5% 0.031 145.3)
-
Step 300
300
#ABCBAB
oklch(81% 0.056 145)
-
Step 400
400
#7EB07E
oklch(70.8% 0.089 144.6)
-
Step 500
500
#5B9B5D
oklch(63% 0.113 144.8)
-
Step 600
600
#3F8643
oklch(55.7% 0.123 144.8)
-
Step 700
700 (this color)
#337437
oklch(50.1% 0.115 144.8)
-
Step 800
800
#295C2C
oklch(42.7% 0.094 144.8)
-
Step 900
900
#264C28
oklch(37.8% 0.074 145)
-
Step 950
950
#172C18
oklch(26.9% 0.045 145.2)
#337437 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) | #766A32 | 0.087 |
| Deuteranopia (no green cones) | #6D643B | 0.086 |
| Tritanopia (no blue cones) | #287166 | 0.071 |
| Achromatopsia (no color) | #676767 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337437
#337437
oklch(50.1% 0.115 144.8)
- #834A87
#834A87
oklch(50% 0.114 324.7)
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 #337437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.042
- Jungle Green #048243 ΔE 0.042
- Tree Green #2A7E19 ΔE 0.047
- Camo Green #526525 ΔE 0.050
- Dark Moss Green #606C38 ΔE 0.056
- Muddy Green #657432 ΔE 0.058
- Dark Grass Green #388004 ΔE 0.058
- Camouflage Green #4B6113 ΔE 0.058
Use #337437 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.