#51722B
Closest named color: Dark Olive Green (#556B2F). oklch(51% 0.106 130.4), rgb(81, 114, 43).
Aa
White text reads best on this color (5.53:1).
About this color
#51722B is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.106 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.023 away. White text reads best on it, at 5.53:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #51722B |
| RGB | rgb(81, 114, 43) |
| HSL | hsl(88, 45%, 31%) |
| OKLCH | oklch(51% 0.106 130.4) |
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 #51722B | 5.53:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #51722B | 3.79:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #51722B text on white | 5.53:1 | AA | Lc 77.6 | Fine for body text |
| #51722B text on black | 3.79:1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D3DDCA
oklch(88.5% 0.028 129.8)
-
Step 300
300
#B5C8A5
oklch(80.9% 0.052 130.8)
-
Step 400
400
#8FAB75
oklch(70.6% 0.082 130.5)
-
Step 500
500
#749650
oklch(63.1% 0.104 130.1)
-
Step 600
600
#5C8033
oklch(55.5% 0.114 130.4)
-
Step 700
700 (this color)
#51722B
oklch(51% 0.106 130.4)
-
Step 800
800
#3E5820
oklch(42.6% 0.088 130.3)
-
Step 900
900
#354920
oklch(37.8% 0.069 130.5)
-
Step 950
950
#1F2B13
oklch(27.1% 0.045 130.6)
#51722B 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) | #776A23 | 0.057 |
| Deuteranopia (no green cones) | #726830 | 0.057 |
| Tritanopia (no blue cones) | #536D63 | 0.082 |
| Achromatopsia (no color) | #686868 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51722B
#51722B
oklch(51% 0.106 130.4)
- #795393
#795393
oklch(51% 0.107 310.4)
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 #51722B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.023
- Muddy Green #657432 ΔE 0.031
- Dark Moss Green #606C38 ΔE 0.034
- Mud Green #606602 ΔE 0.038
- Camo Green #526525 ΔE 0.039
- Browny Green #6F6C0A ΔE 0.043
- Brown Green #706C11 ΔE 0.044
- Olive Green #677A04 ΔE 0.046
Use #51722B 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.