#1F9917
Closest named color: True Green (#089404). oklch(59.6% 0.191 142.2), rgb(31, 153, 23).
Aa
Black text reads best on this color (5.62:1).
About this color
#1F9917 is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.191 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is True Green (#089404), ΔE 0.018 away. Black text reads best on it, at 5.62:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | True Green (#089404) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #1F9917 |
| RGB | rgb(31, 153, 23) |
| HSL | hsl(116, 74%, 35%) |
| OKLCH | oklch(59.6% 0.191 142.2) |
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 #1F9917 | 3.73:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #1F9917 | 5.62:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #1F9917 text on white | 3.73:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #1F9917 text on black | 5.62:1 | AA | Lc -37.4 | 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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDE
oklch(93.6% 0.028 142)
-
Step 200
200
#C6E2C3
oklch(88.4% 0.051 142.5)
-
Step 300
300
#9ED099
oklch(80.8% 0.092 142.4)
-
Step 400
400
#65B75E
oklch(70.6% 0.148 142.2)
-
Step 500
500 (this color)
#1F9917
oklch(59.6% 0.191 142.2)
-
Step 600
600
#098C00
oklch(55.5% 0.188 142.2)
-
Step 700
700
#067600
oklch(49.1% 0.166 142.2)
-
Step 800
800
#046100
oklch(42.7% 0.144 142.2)
-
Step 900
900
#075103
oklch(37.8% 0.125 142.1)
-
Step 950
950
#092F07
oklch(26.9% 0.078 142.3)
#1F9917 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) | #9D8A00 | 0.134 |
| Deuteranopia (no green cones) | #908129 | 0.134 |
| Tritanopia (no blue cones) | #009482 | 0.125 |
| Achromatopsia (no color) | #848484 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F9917
#1F9917
oklch(59.6% 0.191 142.2)
- #B14EC0
#B14EC0
oklch(59.5% 0.19 322.2)
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 #1F9917, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- True Green #089404 ΔE 0.018
- Irish Green #019529 ΔE 0.019
- Grass Green #3F9B0B ΔE 0.019
- Grassy Green #419C03 ΔE 0.023
- Kelley Green #009337 ΔE 0.032
- Emerald Green #028F1E ΔE 0.033
- Forest Green #228B22 ΔE 0.044
- Kelly Green #02AB2E ΔE 0.051
Use #1F9917 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.