#18603A
Closest named color: Spruce (#0A5F38). oklch(43.5% 0.094 155.5), rgb(24, 96, 58).
Aa
White text reads best on this color (7.57:1).
About this color
#18603A is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.094 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.008 away. White text reads best on it, at 7.57:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #18603A |
| RGB | rgb(24, 96, 58) |
| HSL | hsl(148, 60%, 24%) |
| OKLCH | oklch(43.5% 0.094 155.5) |
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 #18603A | 7.57:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #18603A | 2.77:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #18603A text on white | 7.57:1 | AAA | Lc 86.0 | Fine for body text |
| #18603A 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
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CADFD1
oklch(88.4% 0.029 156.6)
-
Step 300
300
#A5CCB2
oklch(81% 0.055 155.8)
-
Step 400
400
#72B189
oklch(70.6% 0.088 155.6)
-
Step 500
500
#489D6C
oklch(63% 0.112 155.9)
-
Step 600
600
#238853
oklch(55.7% 0.123 155.3)
-
Step 700
700
#127344
oklch(49.1% 0.113 155.7)
-
Step 800
800 (this color)
#18603A
oklch(43.5% 0.094 155.5)
-
Step 900
900
#1A4D30
oklch(37.7% 0.074 155.3)
-
Step 950
950
#112D1C
oklch(27% 0.047 154.9)
#18603A 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) | #605837 | 0.085 |
| Deuteranopia (no green cones) | #57513C | 0.083 |
| Tritanopia (no blue cones) | #005F56 | 0.045 |
| Achromatopsia (no color) | #545454 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18603A
#18603A
oklch(43.5% 0.094 155.5)
- #703B65
#703B65
oklch(43.4% 0.094 335.3)
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 #18603A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.008
- Pine #2B5D34 ΔE 0.015
- Dark Green Blue #1F6357 ΔE 0.045
- Deep Green #02590F ΔE 0.052
- Navy Green #35530A ΔE 0.054
- Army Green #4B5D16 ΔE 0.055
- Forest #0B5509 ΔE 0.059
- Camouflage Green #4B6113 ΔE 0.059
Use #18603A 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.