#1F783B
Closest named color: Jungle Green (#048243). oklch(50.6% 0.125 149.5), rgb(31, 120, 59).
Aa
White text reads best on this color (5.51:1).
About this color
#1F783B is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.125 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.029 away. White text reads best on it, at 5.51:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #1F783B |
| RGB | rgb(31, 120, 59) |
| HSL | hsl(139, 59%, 30%) |
| OKLCH | oklch(50.6% 0.125 149.5) |
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 #1F783B | 5.51:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #1F783B | 3.80:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #1F783B text on white | 5.51:1 | AA | Lc 77.2 | Fine for body text |
| #1F783B text on black | 3.80:1 | AA large text | Lc -24.6 | 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 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CD
oklch(88.5% 0.035 149.3)
-
Step 300
300
#A6CCAC
oklch(80.9% 0.06 149.5)
-
Step 400
400
#74B280
oklch(70.8% 0.097 149.5)
-
Step 500
500
#4B9E5F
oklch(63.1% 0.124 149.5)
-
Step 600
600
#288845
oklch(55.5% 0.135 149.5)
-
Step 700
700 (this color)
#1F783B
oklch(50.6% 0.125 149.5)
-
Step 800
800
#195E2E
oklch(42.7% 0.103 149.6)
-
Step 900
900
#1C4D29
oklch(37.6% 0.081 149.6)
-
Step 950
950
#122D18
oklch(26.9% 0.051 149.2)
#1F783B 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) | #796D36 | 0.103 |
| Deuteranopia (no green cones) | #6E663F | 0.100 |
| Tritanopia (no blue cones) | #00766A | 0.070 |
| Achromatopsia (no color) | #696969 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F783B
#1F783B
oklch(50.6% 0.125 149.5)
- #8B4787
#8B4787
oklch(50.5% 0.125 329.4)
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 #1F783B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.029
- Tree Green #2A7E19 ΔE 0.041
- Dark Grass Green #388004 ΔE 0.053
- Green #008000 ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.057
- Sea Green #2E8B57 ΔE 0.064
- Camo Green #526525 ΔE 0.065
- Muddy Green #657432 ΔE 0.068
Use #1F783B 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.