#1F831E
Closest named color: Tree Green (#2A7E19). oklch(53.4% 0.163 142.8), rgb(31, 131, 30).
Aa
White text reads best on this color (4.85:1).
About this color
#1F831E is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.163 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.015 away. White text reads best on it, at 4.85:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #1F831E |
| RGB | rgb(31, 131, 30) |
| HSL | hsl(119, 63%, 32%) |
| OKLCH | oklch(53.4% 0.163 142.8) |
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 #1F831E | 4.85:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #1F831E | 4.32:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #1F831E text on white | 4.85:1 | AA | Lc 73.2 | Content text, not long reading |
| #1F831E text on black | 4.32:1 | AA large text | Lc -28.5 | 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 600.
-
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
#CAE0C8
oklch(88.4% 0.04 142.9)
-
Step 300
300
#A6CDA2
oklch(80.9% 0.073 142.4)
-
Step 400
400
#73B36F
oklch(70.6% 0.117 142.9)
-
Step 500
500
#4BA047
oklch(63.2% 0.15 142.7)
-
Step 600
600 (this color)
#1F831E
oklch(53.4% 0.163 142.8)
-
Step 700
700
#197518
oklch(49.2% 0.152 142.7)
-
Step 800
800
#195F17
oklch(42.7% 0.125 142.6)
-
Step 900
900
#1C4E1A
oklch(37.7% 0.098 142.7)
-
Step 950
950
#122E10
oklch(27.1% 0.063 142.4)
#1F831E 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) | #867609 | 0.115 |
| Deuteranopia (no green cones) | #7B6E29 | 0.117 |
| Tritanopia (no blue cones) | #007F70 | 0.105 |
| Achromatopsia (no color) | #717171 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F831E
#1F831E
oklch(53.4% 0.163 142.8)
- #9845A3
#9845A3
oklch(53.4% 0.164 322.8)
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 #1F831E, closest first.
No curated palette has a color within ΔE 0.04 of #1F831E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.015
- Dark Grass Green #388004 ΔE 0.016
- Green #008000 ΔE 0.020
- Forest Green #228B22 ΔE 0.024
- Emerald Green #028F1E ΔE 0.036
- Jungle Green #048243 ΔE 0.036
- Kelley Green #009337 ΔE 0.047
- Irish Green #019529 ΔE 0.052
Use #1F831E 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.