#537128
Closest named color: Dark Olive Green (#556B2F). oklch(50.9% 0.106 128.6), rgb(83, 113, 40).
Aa
White text reads best on this color (5.58:1).
About this color
#537128 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.106 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 0.022 away. White text reads best on it, at 5.58:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.76:1 |
| White text | 5.58:1 |
Values
| HEX | #537128 |
| RGB | rgb(83, 113, 40) |
| HSL | hsl(85, 48%, 30%) |
| OKLCH | oklch(50.9% 0.106 128.6) |
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 #537128 | 5.58:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #537128 | 3.76:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #537128 text on white | 5.58:1 | AA | Lc 77.8 | Fine for body text |
| #537128 text on black | 3.76:1 | AA large text | Lc -24.0 | 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
#D3DDC9
oklch(88.4% 0.029 128.8)
-
Step 300
300
#B7C8A4
oklch(81% 0.053 128.1)
-
Step 400
400
#91AB73
oklch(70.7% 0.083 128.6)
-
Step 500
500
#76964E
oklch(63.2% 0.106 128.7)
-
Step 600
600
#5F8030
oklch(55.7% 0.115 128.5)
-
Step 700
700 (this color)
#537128
oklch(50.9% 0.106 128.6)
-
Step 800
800
#40581E
oklch(42.7% 0.089 128.6)
-
Step 900
900
#36481F
oklch(37.5% 0.068 128.8)
-
Step 950
950
#202B13
oklch(27.2% 0.044 129.1)
#537128 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) | #76691F | 0.053 |
| Deuteranopia (no green cones) | #72672D | 0.055 |
| Tritanopia (no blue cones) | #566C62 | 0.084 |
| Achromatopsia (no color) | #686868 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537128
#537128
oklch(50.9% 0.106 128.6)
- #775394
#775394
oklch(50.8% 0.107 308.5)
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 #537128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.022
- Muddy Green #657432 ΔE 0.030
- Dark Moss Green #606C38 ΔE 0.033
- Mud Green #606602 ΔE 0.035
- Camo Green #526525 ΔE 0.036
- Browny Green #6F6C0A ΔE 0.040
- Brown Green #706C11 ΔE 0.041
- Olive Green #677A04 ΔE 0.045
Use #537128 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.