#18592A
Closest named color: Spruce (#0A5F38). oklch(41.1% 0.1 148.8), rgb(24, 89, 42).
Aa
White text reads best on this color (8.39:1).
About this color
#18592A is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.100 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.022 away. White text reads best on it, at 8.39:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.50:1 |
| White text | 8.39:1 |
Values
| HEX | #18592A |
| RGB | rgb(24, 89, 42) |
| HSL | hsl(137, 58%, 22%) |
| OKLCH | oklch(41.1% 0.1 148.8) |
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 #18592A | 8.39:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #18592A | 2.50:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #18592A text on white | 8.39:1 | AAA | Lc 88.6 | Fine for body text |
| #18592A text on black | 2.50:1 | Fails | Lc -13.6 | Not readable |
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
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CBDFCE
oklch(88.4% 0.031 149.8)
-
Step 300
300
#A7CCAC
oklch(81% 0.06 148.8)
-
Step 400
400
#76B180
oklch(70.7% 0.094 148.9)
-
Step 500
500
#509D60
oklch(63.1% 0.119 148.8)
-
Step 600
600
#2F8846
oklch(55.7% 0.131 148.8)
-
Step 700
700
#207337
oklch(49.2% 0.122 148.7)
-
Step 800
800 (this color)
#18592A
oklch(41.1% 0.1 148.8)
-
Step 900
900
#1F4D29
oklch(37.8% 0.079 148.6)
-
Step 950
950
#132D19
oklch(27% 0.049 149.6)
#18592A 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) | #5A5126 | 0.081 |
| Deuteranopia (no green cones) | #524B2D | 0.081 |
| Tritanopia (no blue cones) | #00574E | 0.057 |
| Achromatopsia (no color) | #4D4D4D | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18592A
#18592A
oklch(41.1% 0.1 148.8)
- #673465
#673465
oklch(41% 0.1 328.7)
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 #18592A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.022
- Pine #2B5D34 ΔE 0.025
- Deep Green #02590F ΔE 0.031
- Navy Green #35530A ΔE 0.033
- Forest #0B5509 ΔE 0.034
- Dark Green #006400 ΔE 0.056
- Army Green #4B5D16 ΔE 0.058
- Pine Green #0A481E ΔE 0.058
Use #18592A 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.