#51733D
Closest named color: Dark Olive Green (#556B2F). oklch(51.6% 0.089 134.8), rgb(81, 115, 61).
Aa
White text reads best on this color (5.42:1).
About this color
#51733D is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.089 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.024 away. White text reads best on it, at 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.86:1 |
| White text | 5.42:1 |
Values
| HEX | #51733D |
| RGB | rgb(81, 115, 61) |
| HSL | hsl(98, 31%, 35%) |
| OKLCH | oklch(51.6% 0.089 134.8) |
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 #51733D | 5.42:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #51733D | 3.86:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #51733D text on white | 5.42:1 | AA | Lc 77.0 | Fine for body text |
| #51733D text on black | 3.86:1 | AA large text | Lc -24.8 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D3DDCD
oklch(88.5% 0.024 133.5)
-
Step 300
300
#B5C7AC
oklch(80.9% 0.042 135.1)
-
Step 400
400
#8EAB7F
oklch(70.8% 0.07 135.1)
-
Step 500
500
#72965F
oklch(63.2% 0.089 135.3)
-
Step 600
600
#5A8045
oklch(55.6% 0.096 135.3)
-
Step 700
700 (this color)
#51733D
oklch(51.6% 0.089 134.8)
-
Step 800
800
#3D582D
oklch(42.7% 0.074 134.8)
-
Step 900
900
#344829
oklch(37.6% 0.056 135.1)
-
Step 950
950
#1F2A18
oklch(26.9% 0.035 133.8)
#51733D 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) | #776C39 | 0.056 |
| Deuteranopia (no green cones) | #726940 | 0.055 |
| Tritanopia (no blue cones) | #516F66 | 0.065 |
| Achromatopsia (no color) | #6A6A6A | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51733D
#51733D
oklch(51.6% 0.089 134.8)
- #7B578B
#7B578B
oklch(51.5% 0.09 315)
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 #51733D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.024
- Dark Moss Green #606C38 ΔE 0.026
- Muddy Green #657432 ΔE 0.028
- Military Green #667C3E ΔE 0.041
- Camo Green #526525 ΔE 0.043
- Mud Green #606602 ΔE 0.049
- Brown Green #706C11 ΔE 0.050
- Browny Green #6F6C0A ΔE 0.050
Use #51733D 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.