#005B18
Closest named color: Deep Green (#02590F). oklch(41% 0.126 145.8), rgb(0, 91, 24).
Aa
White text reads best on this color (8.36:1).
About this color
#005B18 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.126 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.008 away. White text reads best on it, at 8.36:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #005B18 |
| RGB | rgb(0, 91, 24) |
| HSL | hsl(136, 100%, 18%) |
| OKLCH | oklch(41% 0.126 145.8) |
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 #005B18 | 8.36:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #005B18 | 2.50:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #005B18 text on white | 8.36:1 | AAA | Lc 88.2 | Fine for body text |
| #005B18 text on black | 2.50:1 | Fails | Lc -13.9 | Not readable |
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 800.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C9E1C9
oklch(88.5% 0.041 145.2)
-
Step 300
300
#A3CEA4
oklch(80.9% 0.074 145.4)
-
Step 400
400
#6EB473
oklch(70.7% 0.117 145.8)
-
Step 500
500
#41A14D
oklch(63.2% 0.151 145.8)
-
Step 600
600
#148B2F
oklch(55.6% 0.163 145.9)
-
Step 700
700
#007622
oklch(49.2% 0.151 145.8)
-
Step 800
800 (this color)
#005B18
oklch(41% 0.126 145.8)
-
Step 900
900
#154F1E
oklch(37.8% 0.099 145.9)
-
Step 950
950
#0F2E12
oklch(26.9% 0.062 145.4)
#005B18 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) | #5D510E | 0.096 |
| Deuteranopia (no green cones) | #544B1F | 0.096 |
| Tritanopia (no blue cones) | #00584D | 0.077 |
| Achromatopsia (no color) | #4E4E4E | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005B18
#005B18
oklch(41% 0.126 145.8)
- #6B2C6E
#6B2C6E
oklch(40.9% 0.126 325.8)
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 #005B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.008
- Forest #0B5509 ΔE 0.019
- Dark Green #006400 ΔE 0.035
- Spruce #0A5F38 ΔE 0.039
- Navy Green #35530A ΔE 0.039
- Pine #2B5D34 ΔE 0.046
- Bottle Green #044A05 ΔE 0.055
- Darkgreen #054907 ΔE 0.059
Use #005B18 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.