#1D5B2B
Closest named color: Spruce (#0A5F38). oklch(41.9% 0.1 147.9), rgb(29, 91, 43).
Aa
White text reads best on this color (8.12:1).
About this color
#1D5B2B is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.100 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.018 away. White text reads best on it, at 8.12:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #1D5B2B |
| RGB | rgb(29, 91, 43) |
| HSL | hsl(134, 52%, 24%) |
| OKLCH | oklch(41.9% 0.1 147.9) |
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 #1D5B2B | 8.12:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #1D5B2B | 2.58:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #1D5B2B text on white | 8.12:1 | AAA | Lc 87.8 | Fine for body text |
| #1D5B2B text on black | 2.58:1 | Fails | Lc -14.3 | 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 800.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CBDFCD
oklch(88.4% 0.032 148.2)
-
Step 300
300
#A8CCAC
oklch(81% 0.059 148.1)
-
Step 400
400
#78B17F
oklch(70.7% 0.094 147.6)
-
Step 500
500
#529D5F
oklch(63.1% 0.119 147.9)
-
Step 600
600
#328745
oklch(55.5% 0.129 148.1)
-
Step 700
700
#237336
oklch(49.2% 0.122 147.9)
-
Step 800
800 (this color)
#1D5B2B
oklch(41.9% 0.1 147.9)
-
Step 900
900
#204D29
oklch(37.8% 0.078 148.2)
-
Step 950
950
#142D18
oklch(27% 0.05 147.7)
#1D5B2B 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) | #5C5327 | 0.080 |
| Deuteranopia (no green cones) | #544D2E | 0.079 |
| Tritanopia (no blue cones) | #0A5950 | 0.058 |
| Achromatopsia (no color) | #4F4F4F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5B2B
#1D5B2B
oklch(41.9% 0.1 147.9)
- #693768
#693768
oklch(41.9% 0.099 327.9)
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 #1D5B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.018
- Pine #2B5D34 ΔE 0.019
- Deep Green #02590F ΔE 0.034
- Navy Green #35530A ΔE 0.034
- Forest #0B5509 ΔE 0.038
- Army Green #4B5D16 ΔE 0.052
- Dark Green #006400 ΔE 0.053
- Camouflage Green #4B6113 ΔE 0.058
Use #1D5B2B 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.