#1F643A
Closest named color: Spruce (#0A5F38). oklch(44.9% 0.097 153), rgb(31, 100, 58).
Aa
White text reads best on this color (7.13:1).
About this color
#1F643A is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.097 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.021 away. White text reads best on it, at 7.13:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #1F643A |
| RGB | rgb(31, 100, 58) |
| HSL | hsl(143, 53%, 26%) |
| OKLCH | oklch(44.9% 0.097 153) |
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 #1F643A | 7.13:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #1F643A | 2.94:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #1F643A text on white | 7.13:1 | AAA | Lc 84.5 | Fine for body text |
| #1F643A text on black | 2.94:1 | Fails | Lc -17.5 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A6CCB0
oklch(81% 0.056 153.1)
-
Step 400
400
#73B186
oklch(70.6% 0.09 153.3)
-
Step 500
500
#4A9E67
oklch(63.2% 0.117 152.9)
-
Step 600
600
#26884E
oklch(55.6% 0.126 152.9)
-
Step 700
700
#16733F
oklch(49.1% 0.117 153.1)
-
Step 800
800 (this color)
#1F643A
oklch(44.9% 0.097 153)
-
Step 900
900
#1B4D2E
oklch(37.7% 0.076 153.4)
-
Step 950
950
#122D1B
oklch(27% 0.047 152.8)
#1F643A 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) | #645C37 | 0.084 |
| Deuteranopia (no green cones) | #5B553D | 0.083 |
| Tritanopia (no blue cones) | #006359 | 0.049 |
| Achromatopsia (no color) | #585858 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F643A
#1F643A
oklch(44.9% 0.097 153)
- #743F6C
#743F6C
oklch(44.9% 0.097 332.8)
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 #1F643A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.021
- Pine #2B5D34 ΔE 0.022
- Dark Green Blue #1F6357 ΔE 0.046
- Army Green #4B5D16 ΔE 0.050
- Camouflage Green #4B6113 ΔE 0.051
- Camo Green #526525 ΔE 0.055
- Dark Green #006400 ΔE 0.057
- Deep Green #02590F ΔE 0.058
Use #1F643A 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.