#18550B
Closest named color: Forest (#0B5509). oklch(39.5% 0.12 140.8), rgb(24, 85, 11).
Aa
White text reads best on this color (8.96:1).
About this color
#18550B is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.120 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.007 away. White text reads best on it, at 8.96:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.34:1 |
| White text | 8.96:1 |
Values
| HEX | #18550B |
| RGB | rgb(24, 85, 11) |
| HSL | hsl(109, 77%, 19%) |
| OKLCH | oklch(39.5% 0.12 140.8) |
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 #18550B | 8.96:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #18550B | 2.34:1 | Fails | Lc 13.8 | Not readable |
| #18550B text on white | 8.96:1 | AAA | Lc 90.2 | Preferred for body text |
| #18550B text on black | 2.34:1 | Fails | Lc -12.1 | 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 900.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EFDE
oklch(93.7% 0.027 140.2)
-
Step 200
200
#C8E2C3
oklch(88.5% 0.05 140.6)
-
Step 300
300
#A1D099
oklch(81% 0.09 141)
-
Step 400
400
#6BB65E
oklch(70.6% 0.143 140.8)
-
Step 500
500
#3CA328
oklch(63.2% 0.184 140.8)
-
Step 600
600
#218B00
oklch(55.6% 0.182 140.7)
-
Step 700
700
#1A7500
oklch(49.1% 0.161 140.8)
-
Step 800
800
#146000
oklch(42.7% 0.14 140.7)
-
Step 900
900 (this color)
#18550B
oklch(39.5% 0.12 140.8)
-
Step 950
950
#0D2F07
oklch(27% 0.076 140.8)
#18550B 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) | #574C00 | 0.081 |
| Deuteranopia (no green cones) | #504714 | 0.082 |
| Tritanopia (no blue cones) | #0D5247 | 0.079 |
| Achromatopsia (no color) | #494949 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18550B
#18550B
oklch(39.5% 0.12 140.8)
- #622C6D
#622C6D
oklch(39.5% 0.12 320.6)
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 #18550B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.007
- Deep Green #02590F ΔE 0.014
- Navy Green #35530A ΔE 0.028
- Bottle Green #044A05 ΔE 0.040
- Darkgreen #054907 ΔE 0.043
- British Racing Green #05480D ΔE 0.047
- Spruce #0A5F38 ΔE 0.050
- Dark Green #006400 ΔE 0.050
Use #18550B 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.