#18533E
Closest named color: Dark Blue Green (#005249). oklch(39.8% 0.07 165.6), rgb(24, 83, 62).
Aa
White text reads best on this color (8.95:1).
About this color
#18533E is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.070 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.021 away. White text reads best on it, at 8.95:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #18533E |
| RGB | rgb(24, 83, 62) |
| HSL | hsl(159, 55%, 21%) |
| OKLCH | oklch(39.8% 0.07 165.6) |
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 #18533E | 8.95:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #18533E | 2.34:1 | Fails | Lc 13.7 | Not readable |
| #18533E text on white | 8.95:1 | AAA | Lc 90.3 | Preferred for body text |
| #18533E 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
#A1CCB9
oklch(80.9% 0.053 166.3)
-
Step 400
400
#6BB294
oklch(70.8% 0.085 165.3)
-
Step 500
500
#3B9E7A
oklch(63.1% 0.108 165.7)
-
Step 600
600
#008863
oklch(55.6% 0.116 165.8)
-
Step 700
700
#007353
oklch(49.2% 0.103 165.6)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900 (this color)
#18533E
oklch(39.8% 0.07 165.6)
-
Step 950
950
#0D2D21
oklch(26.9% 0.044 165.5)
#18533E 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) | #514D3D | 0.070 |
| Deuteranopia (no green cones) | #49473F | 0.067 |
| Tritanopia (no blue cones) | #00534D | 0.025 |
| Achromatopsia (no color) | #494949 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18533E
#18533E
oklch(39.8% 0.07 165.6)
- #62374F
#62374F
oklch(39.8% 0.07 346.2)
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 #18533E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.021
- Dark Teal #014D4E ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.043
- Spruce #0A5F38 ΔE 0.044
- Pine #2B5D34 ΔE 0.044
- Deep Teal #00555A ΔE 0.045
- Evergreen #05472A ΔE 0.048
- Pine Green #0A481E ΔE 0.055
Use #18533E 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.