#557018
Closest named color: Dark Olive Green (#556B2F). oklch(50.6% 0.116 125.6), rgb(85, 112, 24).
Aa
White text reads best on this color (5.64:1).
About this color
#557018 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.116 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.029 away. White text reads best on it, at 5.64:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.71:1 |
| White text | 5.64:1 |
Values
| HEX | #557018 |
| RGB | rgb(85, 112, 24) |
| HSL | hsl(78, 65%, 27%) |
| OKLCH | oklch(50.6% 0.116 125.6) |
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 #557018 | 5.64:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #557018 | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #557018 text on white | 5.64:1 | AA | Lc 78.1 | Fine for body text |
| #557018 text on black | 3.71:1 | AA large text | Lc -23.7 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D4DDC7
oklch(88.5% 0.031 125.2)
-
Step 300
300
#B8C8A0
oklch(81% 0.057 125.4)
-
Step 400
400
#93AB6C
oklch(70.7% 0.09 125.6)
-
Step 500
500
#799643
oklch(63.2% 0.116 125.6)
-
Step 600
600
#627F20
oklch(55.5% 0.124 125.3)
-
Step 700
700 (this color)
#557018
oklch(50.6% 0.116 125.6)
-
Step 800
800
#425813
oklch(42.8% 0.097 125.9)
-
Step 900
900
#384818
oklch(37.6% 0.074 125.4)
-
Step 950
950
#212A0F
oklch(26.9% 0.047 124.7)
#557018 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) | #766805 | 0.051 |
| Deuteranopia (no green cones) | #736720 | 0.053 |
| Tritanopia (no blue cones) | #596A5F | 0.094 |
| Achromatopsia (no color) | #676767 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557018
#557018
oklch(50.6% 0.116 125.6)
- #755199
#755199
oklch(50.5% 0.116 305.7)
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 #557018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.029
- Mud Green #606602 ΔE 0.030
- Muddy Green #657432 ΔE 0.036
- Browny Green #6F6C0A ΔE 0.038
- Camo Green #526525 ΔE 0.038
- Brown Green #706C11 ΔE 0.040
- Dark Moss Green #606C38 ΔE 0.041
- Olive Green #677A04 ΔE 0.042
Use #557018 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.