#1D571B
Closest named color: Deep Green (#02590F). oklch(40.5% 0.11 142.7), rgb(29, 87, 27).
Aa
White text reads best on this color (8.63:1).
About this color
#1D571B is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.110 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.020 away. White text reads best on it, at 8.63:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #1D571B |
| RGB | rgb(29, 87, 27) |
| HSL | hsl(118, 53%, 22%) |
| OKLCH | oklch(40.5% 0.11 142.7) |
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 #1D571B | 8.63:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #1D571B | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #1D571B text on white | 8.63:1 | AAA | Lc 89.3 | Fine for body text |
| #1D571B text on black | 2.43:1 | Fails | Lc -12.9 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CCE0CA
oklch(88.6% 0.037 142.7)
-
Step 300
300
#A9CCA6
oklch(80.9% 0.065 142.9)
-
Step 400
400
#7AB176
oklch(70.7% 0.102 142.8)
-
Step 500
500
#569D51
oklch(63.1% 0.131 142.5)
-
Step 600
600
#388734
oklch(55.5% 0.142 142.6)
-
Step 700
700
#297327
oklch(49.2% 0.133 142.8)
-
Step 800
800 (this color)
#1D571B
oklch(40.5% 0.11 142.7)
-
Step 900
900
#234D21
oklch(37.8% 0.086 142.8)
-
Step 950
950
#152D14
oklch(27% 0.054 143.1)
#1D571B 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) | #594F14 | 0.078 |
| Deuteranopia (no green cones) | #524A20 | 0.078 |
| Tritanopia (no blue cones) | #12544A | 0.070 |
| Achromatopsia (no color) | #4C4C4C | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D571B
#1D571B
oklch(40.5% 0.11 142.7)
- #64316B
#64316B
oklch(40.4% 0.11 322.7)
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 #1D571B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.020
- Forest #0B5509 ΔE 0.020
- Navy Green #35530A ΔE 0.024
- Spruce #0A5F38 ΔE 0.036
- Pine #2B5D34 ΔE 0.037
- Bottle Green #044A05 ΔE 0.049
- Dark Green #006400 ΔE 0.050
- Darkgreen #054907 ΔE 0.052
Use #1D571B 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.