#01571D
Closest named color: Forest (#0B5509). oklch(39.8% 0.117 147.4), rgb(1, 87, 29).
Aa
White text reads best on this color (8.81:1).
About this color
#01571D is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.117 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.015 away. White text reads best on it, at 8.81:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #01571D |
| RGB | rgb(1, 87, 29) |
| HSL | hsl(140, 98%, 17%) |
| OKLCH | oklch(39.8% 0.117 147.4) |
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 #01571D | 8.81:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #01571D | 2.38:1 | Fails | Lc 14.4 | Not readable |
| #01571D text on white | 8.81:1 | AAA | Lc 89.6 | Fine for body text |
| #01571D text on black | 2.38:1 | Fails | Lc -12.7 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C5E2C7
oklch(88.4% 0.048 147.1)
-
Step 300
300
#9BD1A0
oklch(81% 0.088 147.1)
-
Step 400
400
#5DB86C
oklch(70.7% 0.14 147.5)
-
Step 500
500
#17A542
oklch(63.2% 0.179 147.4)
-
Step 600
600
#008B33
oklch(55.5% 0.163 147.4)
-
Step 700
700
#007529
oklch(49% 0.144 147.3)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900 (this color)
#01571D
oklch(39.8% 0.117 147.4)
-
Step 950
950
#04300F
oklch(27.1% 0.074 147.5)
#01571D 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) | #584E17 | 0.091 |
| Deuteranopia (no green cones) | #504822 | 0.091 |
| Tritanopia (no blue cones) | #00554B | 0.070 |
| Achromatopsia (no color) | #4A4A4A | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01571D
#01571D
oklch(39.8% 0.117 147.4)
- #672C67
#672C67
oklch(39.9% 0.117 327.5)
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 #01571D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.015
- Deep Green #02590F ΔE 0.015
- Navy Green #35530A ΔE 0.036
- Spruce #0A5F38 ΔE 0.039
- Bottle Green #044A05 ΔE 0.044
- Pine #2B5D34 ΔE 0.045
- Darkgreen #054907 ΔE 0.046
- British Racing Green #05480D ΔE 0.049
Use #01571D 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.