#557131
Closest named color: Dark Olive Green (#556B2F). oklch(51.1% 0.097 129), rgb(85, 113, 49).
Aa
White text reads best on this color (5.53:1).
About this color
#557131 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.097 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.018 away. White text reads best on it, at 5.53:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #557131 |
| RGB | rgb(85, 113, 49) |
| HSL | hsl(86, 40%, 32%) |
| OKLCH | oklch(51.1% 0.097 129) |
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 #557131 | 5.53:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #557131 | 3.79:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #557131 text on white | 5.53:1 | AA | Lc 77.6 | Fine for body text |
| #557131 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
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D4DDCB
oklch(88.6% 0.026 128.8)
-
Step 300
300
#B7C7A7
oklch(80.9% 0.047 129.1)
-
Step 400
400
#92AA78
oklch(70.7% 0.075 129)
-
Step 500
500
#779555
oklch(63.1% 0.096 129.3)
-
Step 600
600
#607F39
oklch(55.6% 0.104 129.1)
-
Step 700
700 (this color)
#557131
oklch(51.1% 0.097 129)
-
Step 800
800
#415725
oklch(42.6% 0.079 129)
-
Step 900
900
#374823
oklch(37.7% 0.062 129.2)
-
Step 950
950
#202A15
oklch(26.9% 0.039 129.5)
#557131 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) | #766A2B | 0.050 |
| Deuteranopia (no green cones) | #726835 | 0.051 |
| Tritanopia (no blue cones) | #576C63 | 0.076 |
| Achromatopsia (no color) | #686868 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557131
#557131
oklch(51.1% 0.097 129)
- #775690
#775690
oklch(51.1% 0.096 309.5)
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 #557131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.018
- Dark Moss Green #606C38 ΔE 0.025
- Muddy Green #657432 ΔE 0.025
- Camo Green #526525 ΔE 0.036
- Mud Green #606602 ΔE 0.038
- Browny Green #6F6C0A ΔE 0.040
- Brown Green #706C11 ΔE 0.040
- Military Green #667C3E ΔE 0.043
Use #557131 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.