#557138
Closest named color: Dark Olive Green (#556B2F). oklch(51.2% 0.089 130.5), rgb(85, 113, 56).
Aa
White text reads best on this color (5.51:1).
About this color
#557138 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.089 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 0.018 away. White text reads best on it, at 5.51:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #557138 |
| RGB | rgb(85, 113, 56) |
| HSL | hsl(89, 34%, 33%) |
| OKLCH | oklch(51.2% 0.089 130.5) |
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 #557138 | 5.51:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #557138 | 3.80:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #557138 text on white | 5.51:1 | AA | Lc 77.5 | Fine for body text |
| #557138 text on black | 3.80:1 | AA large text | Lc -24.3 | 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
#E7ECE3
oklch(93.7% 0.013 130.8)
-
Step 200
200
#D4DDCC
oklch(88.6% 0.025 129.9)
-
Step 300
300
#B7C7AA
oklch(81% 0.044 131)
-
Step 400
400
#92AA7C
oklch(70.7% 0.07 130.4)
-
Step 500
500
#77945B
oklch(63% 0.087 130.5)
-
Step 600
600
#607F40
oklch(55.7% 0.097 130.5)
-
Step 700
700 (this color)
#557138
oklch(51.2% 0.089 130.5)
-
Step 800
800
#41572A
oklch(42.7% 0.074 130.4)
-
Step 900
900
#374826
oklch(37.7% 0.058 130.5)
-
Step 950
950
#202A17
oklch(26.9% 0.036 131.1)
#557138 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) | #766A33 | 0.050 |
| Deuteranopia (no green cones) | #71683B | 0.049 |
| Tritanopia (no blue cones) | #576D64 | 0.068 |
| Achromatopsia (no color) | #696969 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557138
#557138
oklch(51.2% 0.089 130.5)
- #77588D
#77588D
oklch(51.4% 0.089 310.4)
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 #557138, 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 0.021
- Muddy Green #657432 ΔE 0.025
- Camo Green #526525 ΔE 0.038
- Mud Green #606602 ΔE 0.042
- Military Green #667C3E ΔE 0.042
- Brown Green #706C11 ΔE 0.043
- Browny Green #6F6C0A ΔE 0.043
Use #557138 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.