#1F5509
Closest named color: Forest (#0B5509). oklch(39.8% 0.118 138.9), rgb(31, 85, 9).
Aa
White text reads best on this color (8.89:1).
About this color
#1F5509 is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.118 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.012 away. White text reads best on it, at 8.89:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #1F5509 |
| RGB | rgb(31, 85, 9) |
| HSL | hsl(103, 81%, 18%) |
| OKLCH | oklch(39.8% 0.118 138.9) |
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 #1F5509 | 8.89:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #1F5509 | 2.36:1 | Fails | Lc 13.9 | Not readable |
| #1F5509 text on white | 8.89:1 | AAA | Lc 90.0 | Preferred for body text |
| #1F5509 text on black | 2.36:1 | Fails | Lc -12.2 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#C9E2C3
oklch(88.6% 0.05 139.6)
-
Step 300
300
#A4CF98
oklch(81% 0.088 138.9)
-
Step 400
400
#70B55C
oklch(70.6% 0.141 139)
-
Step 500
500
#46A223
oklch(63.2% 0.181 138.9)
-
Step 600
600
#308A00
oklch(55.7% 0.176 139)
-
Step 700
700
#277400
oklch(49.2% 0.155 139)
-
Step 800
800
#1F5F00
oklch(42.7% 0.134 138.9)
-
Step 900
900 (this color)
#1F5509
oklch(39.8% 0.118 138.9)
-
Step 950
950
#102F06
oklch(27.1% 0.076 139.1)
#1F5509 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) | #584D00 | 0.077 |
| Deuteranopia (no green cones) | #514813 | 0.078 |
| Tritanopia (no blue cones) | #195247 | 0.080 |
| Achromatopsia (no color) | #4A4A4A | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F5509
#1F5509
oklch(39.8% 0.118 138.9)
- #612E6F
#612E6F
oklch(39.8% 0.118 318.6)
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 #1F5509, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.012
- Deep Green #02590F ΔE 0.017
- Navy Green #35530A ΔE 0.023
- Bottle Green #044A05 ΔE 0.043
- Darkgreen #054907 ΔE 0.046
- Spruce #0A5F38 ΔE 0.049
- Pine #2B5D34 ΔE 0.049
- British Racing Green #05480D ΔE 0.050
Use #1F5509 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.