#15543B
Closest named color: Dark Blue Green (#005249). oklch(39.9% 0.076 162.5), rgb(21, 84, 59).
Aa
White text reads best on this color (8.88:1).
About this color
#15543B is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.076 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.027 away. White text reads best on it, at 8.88:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #15543B |
| RGB | rgb(21, 84, 59) |
| HSL | hsl(156, 60%, 21%) |
| OKLCH | oklch(39.9% 0.076 162.5) |
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 #15543B | 8.88:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #15543B | 2.36:1 | Fails | Lc 13.9 | Not readable |
| #15543B text on white | 8.88:1 | AAA | Lc 90.1 | Preferred for body text |
| #15543B text on black | 2.36:1 | Fails | Lc -12.2 | 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
#C7E0D3
oklch(88.5% 0.032 163.2)
-
Step 300
300
#A0CDB6
oklch(81% 0.057 162.6)
-
Step 400
400
#68B390
oklch(70.8% 0.092 162.6)
-
Step 500
500
#359F74
oklch(63.1% 0.117 162.5)
-
Step 600
600
#00895E
oklch(55.7% 0.121 162.5)
-
Step 700
700
#00734E
oklch(49.1% 0.107 162.4)
-
Step 800
800
#005E3F
oklch(42.6% 0.093 162.3)
-
Step 900
900 (this color)
#15543B
oklch(39.9% 0.076 162.5)
-
Step 950
950
#0B2E1F
oklch(27.1% 0.049 161.7)
#15543B 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) | #534D3A | 0.075 |
| Deuteranopia (no green cones) | #4A473D | 0.072 |
| Tritanopia (no blue cones) | #00544D | 0.029 |
| Achromatopsia (no color) | #4A4A4A | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15543B
#15543B
oklch(39.9% 0.076 162.5)
- #633653
#633653
oklch(39.9% 0.076 341.9)
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 #15543B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.027
- Spruce #0A5F38 ΔE 0.038
- Pine #2B5D34 ΔE 0.040
- Dark Teal #014D4E ΔE 0.046
- Evergreen #05472A ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.049
- Deep Teal #00555A ΔE 0.050
- Pine Green #0A481E ΔE 0.053
Use #15543B 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.