#18513B
Closest named color: Dark Blue Green (#005249). oklch(39.1% 0.07 163.9), rgb(24, 81, 59).
Aa
White text reads best on this color (9.21:1).
About this color
#18513B is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.070 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.023 away. White text reads best on it, at 9.21:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #18513B |
| RGB | rgb(24, 81, 59) |
| HSL | hsl(157, 54%, 21%) |
| OKLCH | oklch(39.1% 0.07 163.9) |
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 #18513B | 9.21:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #18513B | 2.27:1 | Fails | Lc 13.0 | Not readable |
| #18513B text on white | 9.21:1 | AAA | Lc 91.0 | Preferred for body text |
| #18513B text on black | 2.27:1 | Fails | Lc -11.3 | 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
#C9E0D4
oklch(88.6% 0.029 163.2)
-
Step 300
300
#A2CCB7
oklch(80.9% 0.053 163.3)
-
Step 400
400
#6DB192
oklch(70.6% 0.084 163.6)
-
Step 500
500
#3E9E78
oklch(63.2% 0.108 164)
-
Step 600
600
#088860
oklch(55.6% 0.117 163.7)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#035E41
oklch(42.7% 0.09 163.6)
-
Step 900
900 (this color)
#18513B
oklch(39.1% 0.07 163.9)
-
Step 950
950
#0E2D20
oklch(26.9% 0.044 163.2)
#18513B 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) | #4F4B3A | 0.068 |
| Deuteranopia (no green cones) | #48453C | 0.067 |
| Tritanopia (no blue cones) | #00514B | 0.027 |
| Achromatopsia (no color) | #484848 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18513B
#18513B
oklch(39.1% 0.07 163.9)
- #5F354F
#5F354F
oklch(39% 0.071 343)
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 #18513B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.023
- Dark Teal #014D4E ΔE 0.039
- Evergreen #05472A ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.045
- Spruce #0A5F38 ΔE 0.049
- Deep Teal #00555A ΔE 0.049
- Pine Green #0A481E ΔE 0.049
- Pine #2B5D34 ΔE 0.049
Use #18513B 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.