#1F9319
Closest named color: Irish Green (#019529). oklch(57.9% 0.183 142.3), rgb(31, 147, 25).
Aa
Black text reads best on this color (5.24:1).
About this color
#1F9319 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.183 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.010 away. Black text reads best on it, at 5.24:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #1F9319 |
| RGB | rgb(31, 147, 25) |
| HSL | hsl(117, 71%, 34%) |
| OKLCH | oklch(57.9% 0.183 142.3) |
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 #1F9319 | 4.00:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #1F9319 | 5.24:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #1F9319 text on white | 4.00:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #1F9319 text on black | 5.24:1 | AA | Lc -34.9 | Non-text elements, placeholder text |
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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C9E1C6
oklch(88.5% 0.045 142.1)
-
Step 300
300
#A2CF9E
oklch(81% 0.083 142.7)
-
Step 400
400
#6DB567
oklch(70.6% 0.132 142.4)
-
Step 500
500
#40A23A
oklch(63.2% 0.169 142.4)
-
Step 600
600 (this color)
#1F9319
oklch(57.9% 0.183 142.3)
-
Step 700
700
#047600
oklch(49.1% 0.166 142.3)
-
Step 800
800
#086105
oklch(42.8% 0.142 142.4)
-
Step 900
900
#154F11
oklch(37.6% 0.11 142.2)
-
Step 950
950
#0E2F0C
oklch(27.1% 0.071 142.4)
#1F9319 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) | #968400 | 0.128 |
| Deuteranopia (no green cones) | #8A7C29 | 0.128 |
| Tritanopia (no blue cones) | #008E7D | 0.120 |
| Achromatopsia (no color) | #7F7F7F | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F9319
#1F9319
oklch(57.9% 0.183 142.3)
- #AA4CB8
#AA4CB8
oklch(57.9% 0.182 322.3)
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 #1F9319, closest first.
No curated palette has a color within ΔE 0.04 of #1F9319.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.010
- True Green #089404 ΔE 0.011
- Emerald Green #028F1E ΔE 0.016
- Kelley Green #009337 ΔE 0.021
- Forest Green #228B22 ΔE 0.026
- Grass Green #3F9B0B ΔE 0.033
- Grassy Green #419C03 ΔE 0.037
- Sap Green #5C8B15 ΔE 0.049
Use #1F9319 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.