#18683B
Closest named color: Spruce (#0A5F38). oklch(45.9% 0.105 153.7), rgb(24, 104, 59).
Aa
White text reads best on this color (6.81:1).
About this color
#18683B is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.105 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.031 away. White text reads best on it, at 6.81:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #18683B |
| RGB | rgb(24, 104, 59) |
| HSL | hsl(146, 63%, 25%) |
| OKLCH | oklch(45.9% 0.105 153.7) |
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 #18683B | 6.81:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #18683B | 3.08:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #18683B text on white | 6.81:1 | AA | Lc 83.1 | Fine for body text |
| #18683B text on black | 3.08:1 | AA large text | Lc -18.8 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C9E0CF
oklch(88.5% 0.034 153.6)
-
Step 300
300
#A3CDAF
oklch(81% 0.061 153.8)
-
Step 400
400
#6EB384
oklch(70.8% 0.099 153.5)
-
Step 500
500
#419F65
oklch(63.1% 0.125 153.6)
-
Step 600
600
#12894C
oklch(55.5% 0.135 153.8)
-
Step 700
700
#00743D
oklch(49% 0.125 153.5)
-
Step 800
800 (this color)
#18683B
oklch(45.9% 0.105 153.7)
-
Step 900
900
#154E2C
oklch(37.8% 0.082 153.3)
-
Step 950
950
#0F2E1A
oklch(27.1% 0.052 152.9)
#18683B 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) | #685F38 | 0.092 |
| Deuteranopia (no green cones) | #5E583E | 0.089 |
| Tritanopia (no blue cones) | #00675D | 0.053 |
| Achromatopsia (no color) | #5B5B5B | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18683B
#18683B
oklch(45.9% 0.105 153.7)
- #7A3F70
#7A3F70
oklch(45.9% 0.105 333.8)
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 #18683B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.031
- Pine #2B5D34 ΔE 0.034
- Dark Green Blue #1F6357 ΔE 0.051
- Camouflage Green #4B6113 ΔE 0.053
- Dark Green #006400 ΔE 0.055
- Army Green #4B5D16 ΔE 0.055
- Camo Green #526525 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.061
Use #18683B 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.