#1F5506
Closest named color: Forest (#0B5509). oklch(39.8% 0.119 138.6), rgb(31, 85, 6).
Aa
White text reads best on this color (8.89:1).
About this color
#1F5506 is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.119 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 (0.119) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #1F5506 |
| RGB | rgb(31, 85, 6) |
| HSL | hsl(101, 87%, 18%) |
| OKLCH | oklch(39.8% 0.119 138.6) |
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 #1F5506 | 8.89:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #1F5506 | 2.36:1 | Fails | Lc 13.9 | Not readable |
| #1F5506 text on white | 8.89:1 | AAA | Lc 90.0 | Preferred for body text |
| #1F5506 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
#C9E2C2
oklch(88.6% 0.051 138.9)
-
Step 300
300
#A4CF97
oklch(80.9% 0.089 138.5)
-
Step 400
400
#70B55A
oklch(70.6% 0.143 138.6)
-
Step 500
500
#46A21F
oklch(63.2% 0.183 138.6)
-
Step 600
600
#328900
oklch(55.5% 0.174 138.7)
-
Step 700
700
#297300
oklch(48.9% 0.153 138.6)
-
Step 800
800
#205F00
oklch(42.8% 0.134 138.7)
-
Step 900
900 (this color)
#1F5506
oklch(39.8% 0.119 138.6)
-
Step 950
950
#102F05
oklch(27.1% 0.077 138.7)
#1F5506 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) | #584C00 | 0.079 |
| Deuteranopia (no green cones) | #514811 | 0.078 |
| Tritanopia (no blue cones) | #195247 | 0.082 |
| Achromatopsia (no color) | #4A4A4A | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F5506
#1F5506
oklch(39.8% 0.119 138.6)
- #612D6F
#612D6F
oklch(39.7% 0.12 318.7)
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 #1F5506, 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 0.016
- Navy Green #35530A ΔE 0.024
- Bottle Green #044A05 ΔE 0.043
- Darkgreen #054907 ΔE 0.046
- Dark Green #006400 ΔE 0.049
- British Racing Green #05480D ΔE 0.050
- Spruce #0A5F38 ΔE 0.050
Use #1F5506 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.