#1D5F21
Closest named color: Spruce (#0A5F38). oklch(42.9% 0.116 144.1), rgb(29, 95, 33).
Aa
White text reads best on this color (7.74:1).
About this color
#1D5F21 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.116 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.028 away. White text reads best on it, at 7.74:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.71:1 |
| White text | 7.74:1 |
Values
| HEX | #1D5F21 |
| RGB | rgb(29, 95, 33) |
| HSL | hsl(124, 53%, 24%) |
| OKLCH | oklch(42.9% 0.116 144.1) |
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 #1D5F21 | 7.74:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #1D5F21 | 2.71:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #1D5F21 text on white | 7.74:1 | AAA | Lc 86.6 | Fine for body text |
| #1D5F21 text on black | 2.71:1 | Fails | Lc -15.5 | Dividers and decoration only |
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
#E2EDE2
oklch(93.5% 0.019 145.4)
-
Step 200
200
#CBE0CA
oklch(88.5% 0.037 144)
-
Step 300
300
#A7CDA6
oklch(81% 0.068 144.3)
-
Step 400
400
#75B275
oklch(70.6% 0.108 144.3)
-
Step 500
500
#4E9E50
oklch(63% 0.138 144.2)
-
Step 600
600
#2D8933
oklch(55.7% 0.15 144.2)
-
Step 700
700
#1E7425
oklch(49.1% 0.14 144.2)
-
Step 800
800 (this color)
#1D5F21
oklch(42.9% 0.116 144.1)
-
Step 900
900
#1E4D20
oklch(37.6% 0.089 144.3)
-
Step 950
950
#132D13
oklch(26.8% 0.057 143.8)
#1D5F21 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) | #61561A | 0.085 |
| Deuteranopia (no green cones) | #595026 | 0.086 |
| Tritanopia (no blue cones) | #0D5C52 | 0.073 |
| Achromatopsia (no color) | #535353 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5F21
#1D5F21
oklch(42.9% 0.116 144.1)
- #6E3673
#6E3673
oklch(43% 0.116 324.2)
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 #1D5F21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.028
- Deep Green #02590F ΔE 0.029
- Pine #2B5D34 ΔE 0.030
- Dark Green #006400 ΔE 0.034
- Forest #0B5509 ΔE 0.039
- Navy Green #35530A ΔE 0.039
- Army Green #4B5D16 ΔE 0.047
- Camouflage Green #4B6113 ΔE 0.049
Use #1D5F21 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.