#18511F
Closest named color: Forest (#0B5509). oklch(38.5% 0.099 145.4), rgb(24, 81, 31).
Aa
White text reads best on this color (9.39:1).
About this color
#18511F is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.099 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.027 away. White text reads best on it, at 9.39:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #18511F |
| RGB | rgb(24, 81, 31) |
| HSL | hsl(127, 54%, 21%) |
| OKLCH | oklch(38.5% 0.099 145.4) |
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 #18511F | 9.39:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #18511F | 2.23:1 | Fails | Lc 12.6 | Not readable |
| #18511F text on white | 9.39:1 | AAA | Lc 91.4 | Preferred for body text |
| #18511F text on black | 2.23:1 | Fails | Lc -11.0 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C9E1C9
oklch(88.5% 0.041 145.2)
-
Step 300
300
#A3CEA4
oklch(80.9% 0.074 145.4)
-
Step 400
400
#6EB472
oklch(70.7% 0.118 145.5)
-
Step 500
500
#41A14B
oklch(63.2% 0.153 145.4)
-
Step 600
600
#138B2C
oklch(55.6% 0.166 145.4)
-
Step 700
700
#00761F
oklch(49.2% 0.153 145.3)
-
Step 800
800
#09601B
oklch(42.7% 0.128 145.3)
-
Step 900
900 (this color)
#18511F
oklch(38.5% 0.099 145.4)
-
Step 950
950
#0F2E12
oklch(26.9% 0.062 145.4)
#18511F 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) | #52491A | 0.075 |
| Deuteranopia (no green cones) | #4B4423 | 0.075 |
| Tritanopia (no blue cones) | #094F46 | 0.060 |
| Achromatopsia (no color) | #464646 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18511F
#18511F
oklch(38.5% 0.099 145.4)
- #5E2E60
#5E2E60
oklch(38.5% 0.1 325.8)
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 #18511F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.027
- Navy Green #35530A ΔE 0.032
- Pine Green #0A481E ΔE 0.033
- Bottle Green #044A05 ΔE 0.034
- Deep Green #02590F ΔE 0.035
- Darkgreen #054907 ΔE 0.036
- British Racing Green #05480D ΔE 0.036
- Evergreen #05472A ΔE 0.043
Use #18511F 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.