#1F801F
Closest named color: Tree Green (#2A7E19). oklch(52.6% 0.159 142.9), rgb(31, 128, 31).
Aa
White text reads best on this color (5.04:1).
About this color
#1F801F is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.159 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 0.007 away. White text reads best on it, at 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #1F801F |
| RGB | rgb(31, 128, 31) |
| HSL | hsl(120, 61%, 31%) |
| OKLCH | oklch(52.6% 0.159 142.9) |
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 #1F801F | 5.04:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #1F801F | 4.16:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #1F801F text on white | 5.04:1 | AA | Lc 74.3 | Content text, not long reading |
| #1F801F text on black | 4.16:1 | AA large text | Lc -27.4 | 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
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A6CDA3
oklch(80.9% 0.071 143)
-
Step 400
400
#75B371
oklch(70.8% 0.114 142.9)
-
Step 500
500
#4D9F4A
oklch(63.1% 0.145 143)
-
Step 600
600 (this color)
#1F801F
oklch(52.6% 0.159 142.9)
-
Step 700
700
#1C741C
oklch(49% 0.147 142.9)
-
Step 800
800
#1B5F1A
oklch(42.8% 0.122 142.9)
-
Step 900
900
#1D4E1C
oklch(37.8% 0.096 143.1)
-
Step 950
950
#122E11
oklch(27.1% 0.061 143)
#1F801F 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) | #83730D | 0.113 |
| Deuteranopia (no green cones) | #786C29 | 0.113 |
| Tritanopia (no blue cones) | #007C6D | 0.101 |
| Achromatopsia (no color) | #6F6F6F | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F801F
#1F801F
oklch(52.6% 0.159 142.9)
- #94449F
#94449F
oklch(52.6% 0.159 322.7)
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 #1F801F, closest first.
No curated palette has a color within ΔE 0.04 of #1F801F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.007
- Dark Grass Green #388004 ΔE 0.017
- Green #008000 ΔE 0.019
- Jungle Green #048243 ΔE 0.034
- Forest Green #228B22 ΔE 0.034
- Emerald Green #028F1E ΔE 0.045
- Kelley Green #009337 ΔE 0.055
- Irish Green #019529 ΔE 0.062
Use #1F801F 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.