#13573C
Closest named color: Spruce (#0A5F38). oklch(40.8% 0.081 161.9), rgb(19, 87, 60).
Aa
White text reads best on this color (8.54:1).
About this color
#13573C is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.081 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.029 away. White text reads best on it, at 8.54:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.45:1 |
| White text | 8.54:1 |
Values
| HEX | #13573C |
| RGB | rgb(19, 87, 60) |
| HSL | hsl(156, 64%, 21%) |
| OKLCH | oklch(40.8% 0.081 161.9) |
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 #13573C | 8.54:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #13573C | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #13573C text on white | 8.54:1 | AAA | Lc 89.1 | Fine for body text |
| #13573C text on black | 2.45:1 | Fails | Lc -13.1 | 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 800.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A6CBB7
oklch(81% 0.048 161.5)
-
Step 400
400
#75B092
oklch(70.8% 0.076 161.5)
-
Step 500
500
#4D9C77
oklch(63.2% 0.097 161.5)
-
Step 600
600
#2A8660
oklch(55.6% 0.105 161.9)
-
Step 700
700
#1B714F
oklch(49% 0.097 161.9)
-
Step 800
800 (this color)
#13573C
oklch(40.8% 0.081 161.9)
-
Step 900
900
#1D4C37
oklch(37.7% 0.063 161.7)
-
Step 950
950
#122C20
oklch(26.8% 0.04 162.1)
#13573C 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) | #56503A | 0.078 |
| Deuteranopia (no green cones) | #4D4A3E | 0.075 |
| Tritanopia (no blue cones) | #005750 | 0.032 |
| Achromatopsia (no color) | #4C4C4C | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13573C
#13573C
oklch(40.8% 0.081 161.9)
- #673756
#673756
oklch(40.8% 0.081 342)
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 #13573C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.029
- Dark Blue Green #005249 ΔE 0.032
- Pine #2B5D34 ΔE 0.032
- Deep Teal #00555A ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.052
- Dark Teal #014D4E ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.054
- Navy Green #35530A ΔE 0.054
Use #13573C 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.