#18603C
Closest named color: Spruce (#0A5F38). oklch(43.5% 0.092 156.8), rgb(24, 96, 60).
Aa
White text reads best on this color (7.56:1).
About this color
#18603C is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.092 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.010 away. White text reads best on it, at 7.56:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #18603C |
| RGB | rgb(24, 96, 60) |
| HSL | hsl(150, 60%, 24%) |
| OKLCH | oklch(43.5% 0.092 156.8) |
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 #18603C | 7.56:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #18603C | 2.77:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #18603C text on white | 7.56:1 | AAA | Lc 85.9 | Fine for body text |
| #18603C text on black | 2.77:1 | Fails | Lc -16.1 | 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 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD1
oklch(88.4% 0.029 156.6)
-
Step 300
300
#A5CCB3
oklch(81% 0.054 156.9)
-
Step 400
400
#72B18B
oklch(70.7% 0.086 156.9)
-
Step 500
500
#489D6E
oklch(63% 0.11 156.9)
-
Step 600
600
#238856
oklch(55.7% 0.12 156.7)
-
Step 700
700
#127346
oklch(49.1% 0.111 156.7)
-
Step 800
800 (this color)
#18603C
oklch(43.5% 0.092 156.8)
-
Step 900
900
#1A4D32
oklch(37.8% 0.072 157)
-
Step 950
950
#112D1D
oklch(27% 0.046 156.4)
#18603C 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) | #5F583A | 0.083 |
| Deuteranopia (no green cones) | #56523E | 0.080 |
| Tritanopia (no blue cones) | #005F57 | 0.044 |
| Achromatopsia (no color) | #545454 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18603C
#18603C
oklch(43.5% 0.092 156.8)
- #713C64
#713C64
oklch(43.7% 0.092 336.9)
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 #18603C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.010
- Pine #2B5D34 ΔE 0.015
- Dark Green Blue #1F6357 ΔE 0.042
- Deep Green #02590F ΔE 0.055
- Navy Green #35530A ΔE 0.056
- Army Green #4B5D16 ΔE 0.057
- Dark Blue Green #005249 ΔE 0.059
- Camouflage Green #4B6113 ΔE 0.060
Use #18603C 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.