#18603F
Closest named color: Spruce (#0A5F38). oklch(43.6% 0.089 158.9), rgb(24, 96, 63).
Aa
White text reads best on this color (7.54:1).
About this color
#18603F is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.089 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.013 away. White text reads best on it, at 7.54:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #18603F |
| RGB | rgb(24, 96, 63) |
| HSL | hsl(153, 60%, 24%) |
| OKLCH | oklch(43.6% 0.089 158.9) |
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 #18603F | 7.54:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #18603F | 2.78:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #18603F text on white | 7.54:1 | AAA | Lc 85.9 | Fine for body text |
| #18603F text on black | 2.78:1 | Fails | Lc -16.2 | 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 800.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD2
oklch(88.4% 0.029 158.6)
-
Step 300
300
#A5CBB4
oklch(80.8% 0.052 158.4)
-
Step 400
400
#72B18E
oklch(70.8% 0.083 159)
-
Step 500
500
#489D72
oklch(63.1% 0.106 159.1)
-
Step 600
600
#22875A
oklch(55.5% 0.115 159.1)
-
Step 700
700
#11734A
oklch(49.2% 0.108 159)
-
Step 800
800 (this color)
#18603F
oklch(43.6% 0.089 158.9)
-
Step 900
900
#1A4D34
oklch(37.8% 0.07 158.9)
-
Step 950
950
#112D1E
oklch(27% 0.044 158)
#18603F 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) | #5F583D | 0.083 |
| Deuteranopia (no green cones) | #565241 | 0.080 |
| Tritanopia (no blue cones) | #005F57 | 0.039 |
| Achromatopsia (no color) | #545454 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18603F
#18603F
oklch(43.6% 0.089 158.9)
- #713D62
#713D62
oklch(43.7% 0.089 338.8)
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 #18603F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.013
- Pine #2B5D34 ΔE 0.018
- Dark Green Blue #1F6357 ΔE 0.038
- Dark Blue Green #005249 ΔE 0.057
- Navy Green #35530A ΔE 0.059
- Deep Green #02590F ΔE 0.059
- Army Green #4B5D16 ΔE 0.059
- Camouflage Green #4B6113 ΔE 0.063
Use #18603F 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.