#18503B
Closest named color: Dark Blue Green (#005249). oklch(38.8% 0.069 164.6), rgb(24, 80, 59).
Aa
White text reads best on this color (9.33:1).
About this color
#18503B is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.069 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 9.33:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #18503B |
| RGB | rgb(24, 80, 59) |
| HSL | hsl(158, 54%, 20%) |
| OKLCH | oklch(38.8% 0.069 164.6) |
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 #18503B | 9.33:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #18503B | 2.24:1 | Fails | Lc 12.7 | Not readable |
| #18503B text on white | 9.33:1 | AAA | Lc 91.3 | Preferred for body text |
| #18503B text on black | 2.24:1 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A3CCB8
oklch(81% 0.052 164)
-
Step 400
400
#6DB193
oklch(70.6% 0.083 164.4)
-
Step 500
500
#409D79
oklch(63% 0.104 164.8)
-
Step 600
600
#0E8862
oklch(55.7% 0.114 164.7)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#065E42
oklch(42.8% 0.089 164.2)
-
Step 900
900 (this color)
#18503B
oklch(38.8% 0.069 164.6)
-
Step 950
950
#0E2D21
oklch(27% 0.043 165.1)
#18503B 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) | #4E4A3A | 0.067 |
| Deuteranopia (no green cones) | #47443C | 0.066 |
| Tritanopia (no blue cones) | #00504A | 0.026 |
| Achromatopsia (no color) | #474747 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18503B
#18503B
oklch(38.8% 0.069 164.6)
- #5E354D
#5E354D
oklch(38.8% 0.068 344.7)
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 #18503B, 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 0.037
- Evergreen #05472A ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.044
- Pine Green #0A481E ΔE 0.048
- Deep Teal #00555A ΔE 0.049
- Spruce #0A5F38 ΔE 0.052
- Pine #2B5D34 ΔE 0.052
Use #18503B 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.