#1F5221
Closest named color: Navy Green (#35530A). oklch(39.1% 0.096 144.1), rgb(31, 82, 33).
Aa
White text reads best on this color (9.18:1).
About this color
#1F5221 is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.096 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.028 away. White text reads best on it, at 9.18:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #1F5221 |
| RGB | rgb(31, 82, 33) |
| HSL | hsl(122, 45%, 22%) |
| OKLCH | oklch(39.1% 0.096 144.1) |
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 #1F5221 | 9.18:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #1F5221 | 2.28:1 | Fails | Lc 13.1 | Not readable |
| #1F5221 text on white | 9.18:1 | AAA | Lc 90.9 | Preferred for body text |
| #1F5221 text on black | 2.28:1 | Fails | Lc -11.4 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE0C9
oklch(88.4% 0.039 144)
-
Step 300
300
#A5CDA4
oklch(80.8% 0.071 144.3)
-
Step 400
400
#72B372
oklch(70.6% 0.114 144.2)
-
Step 500
500
#49A04C
oklch(63.2% 0.147 144.2)
-
Step 600
600
#248A2D
oklch(55.6% 0.16 144.2)
-
Step 700
700
#14751F
oklch(49.2% 0.148 144.2)
-
Step 800
800
#165F1C
oklch(42.7% 0.122 144.1)
-
Step 900
900 (this color)
#1F5221
oklch(39.1% 0.096 144.1)
-
Step 950
950
#112E12
oklch(27% 0.061 144.3)
#1F5221 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) | #544B1C | 0.071 |
| Deuteranopia (no green cones) | #4D4625 | 0.071 |
| Tritanopia (no blue cones) | #165047 | 0.059 |
| Achromatopsia (no color) | #484848 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F5221
#1F5221
oklch(39.1% 0.096 144.1)
- #5E3162
#5E3162
oklch(39.1% 0.096 324.2)
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 #1F5221, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.028
- Forest #0B5509 ΔE 0.030
- Deep Green #02590F ΔE 0.036
- Pine Green #0A481E ΔE 0.039
- Bottle Green #044A05 ΔE 0.041
- Pine #2B5D34 ΔE 0.042
- Darkgreen #054907 ΔE 0.042
- British Racing Green #05480D ΔE 0.043
Use #1F5221 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.