#537A19
Closest named color: Olive Green (#677A04). oklch(53.1% 0.13 129.6), rgb(83, 122, 25).
Aa
White text reads best on this color (5.04:1).
About this color
#537A19 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.130 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.026 away. White text reads best on it, at 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #537A19 |
| RGB | rgb(83, 122, 25) |
| HSL | hsl(84, 66%, 29%) |
| OKLCH | oklch(53.1% 0.13 129.6) |
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 #537A19 | 5.04:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #537A19 | 4.16:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #537A19 text on white | 5.04:1 | AA | Lc 74.7 | Content text, not long reading |
| #537A19 text on black | 4.16:1 | AA large text | Lc -27.1 | 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 600.
-
Step 50
50
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D2DEC7
oklch(88.5% 0.034 129.7)
-
Step 300
300
#B4C9A1
oklch(80.9% 0.059 130.2)
-
Step 400
400
#8EAC6D
oklch(70.6% 0.093 129.2)
-
Step 500
500
#729745
oklch(63% 0.118 129.4)
-
Step 600
600 (this color)
#537A19
oklch(53.1% 0.13 129.6)
-
Step 700
700
#4A6D14
oklch(49% 0.12 129.4)
-
Step 800
800
#3D5915
oklch(42.7% 0.099 129.4)
-
Step 900
900
#344919
oklch(37.6% 0.077 129.4)
-
Step 950
950
#1E2B10
oklch(26.9% 0.049 130.3)
#537A19 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) | #807102 | 0.066 |
| Deuteranopia (no green cones) | #7B6E23 | 0.068 |
| Tritanopia (no blue cones) | #557468 | 0.102 |
| Achromatopsia (no color) | #6F6F6F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537A19
#537A19
oklch(53.1% 0.13 129.6)
- #8354A4
#8354A4
oklch(53.2% 0.13 309.8)
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 #537A19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.026
- Murky Green #6C7A0E ΔE 0.033
- Dark Grass Green #388004 ΔE 0.035
- Tree Green #2A7E19 ΔE 0.039
- Muddy Green #657432 ΔE 0.041
- Military Green #667C3E ΔE 0.046
- Swamp #698339 ΔE 0.049
- Browny Green #6F6C0A ΔE 0.052
Use #537A19 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.