#18663A
Closest named color: Spruce (#0A5F38). oklch(45.3% 0.103 153.7), rgb(24, 102, 58).
Aa
White text reads best on this color (6.99:1).
About this color
#18663A is a medium-dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.103 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.025 away. White text reads best on it, at 6.99:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #18663A |
| RGB | rgb(24, 102, 58) |
| HSL | hsl(146, 62%, 25%) |
| OKLCH | oklch(45.3% 0.103 153.7) |
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 #18663A | 6.99:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #18663A | 3.00:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #18663A text on white | 6.99:1 | AA | Lc 83.9 | Fine for body text |
| #18663A text on black | 3.00:1 | AA large text | Lc -18.1 | 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
#C9E0CF
oklch(88.5% 0.034 153.6)
-
Step 300
300
#A3CDAF
oklch(81% 0.061 153.8)
-
Step 400
400
#6FB285
oklch(70.6% 0.095 153.9)
-
Step 500
500
#439F66
oklch(63.2% 0.123 153.7)
-
Step 600
600
#17894D
oklch(55.6% 0.133 153.8)
-
Step 700
700
#01743E
oklch(49.1% 0.124 153.9)
-
Step 800
800 (this color)
#18663A
oklch(45.3% 0.103 153.7)
-
Step 900
900
#164E2D
oklch(37.8% 0.081 153.7)
-
Step 950
950
#0F2E1B
oklch(27.2% 0.051 154.1)
#18663A 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) | #665D37 | 0.090 |
| Deuteranopia (no green cones) | #5C563D | 0.088 |
| Tritanopia (no blue cones) | #00655B | 0.051 |
| Achromatopsia (no color) | #595959 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18663A
#18663A
oklch(45.3% 0.103 153.7)
- #773E6E
#773E6E
oklch(45.3% 0.103 333.3)
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 #18663A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.025
- Pine #2B5D34 ΔE 0.028
- Dark Green Blue #1F6357 ΔE 0.050
- Camouflage Green #4B6113 ΔE 0.053
- Army Green #4B5D16 ΔE 0.054
- Dark Green #006400 ΔE 0.054
- Camo Green #526525 ΔE 0.057
- Deep Green #02590F ΔE 0.059
Use #18663A 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.