#18533D
Closest named color: Dark Blue Green (#005249). oklch(39.8% 0.071 164.5), rgb(24, 83, 61).
Aa
White text reads best on this color (8.96:1).
About this color
#18533D is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.022 away. White text reads best on it, at 8.96:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.34:1 |
| White text | 8.96:1 |
Values
| HEX | #18533D |
| RGB | rgb(24, 83, 61) |
| HSL | hsl(158, 55%, 21%) |
| OKLCH | oklch(39.8% 0.071 164.5) |
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 #18533D | 8.96:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #18533D | 2.34:1 | Fails | Lc 13.7 | Not readable |
| #18533D text on white | 8.96:1 | AAA | Lc 90.3 | Preferred for body text |
| #18533D text on black | 2.34:1 | Fails | Lc -12.0 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C8E0D4
oklch(88.6% 0.03 164.2)
-
Step 300
300
#A1CCB8
oklch(80.9% 0.053 165)
-
Step 400
400
#6BB293
oklch(70.8% 0.086 164.5)
-
Step 500
500
#3B9E78
oklch(63.1% 0.109 164.4)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900 (this color)
#18533D
oklch(39.8% 0.071 164.5)
-
Step 950
950
#0D2D21
oklch(26.9% 0.044 165.5)
#18533D 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) | #514D3C | 0.070 |
| Deuteranopia (no green cones) | #49473E | 0.067 |
| Tritanopia (no blue cones) | #00534D | 0.027 |
| Achromatopsia (no color) | #494949 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18533D
#18533D
oklch(39.8% 0.071 164.5)
- #623750
#623750
oklch(39.9% 0.071 344.9)
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 #18533D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.022
- Dark Teal #014D4E ΔE 0.041
- Spruce #0A5F38 ΔE 0.043
- Pine #2B5D34 ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.044
- Deep Teal #00555A ΔE 0.046
- Evergreen #05472A ΔE 0.048
- Pine Green #0A481E ΔE 0.054
Use #18533D 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.