#1F8D31
Closest named color: Forest Green (#228B22). oklch(56.4% 0.162 145.3), rgb(31, 141, 49).
Aa
Black text reads best on this color (4.91:1).
About this color
#1F8D31 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.162 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.012 away. Black text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #1F8D31 |
| RGB | rgb(31, 141, 49) |
| HSL | hsl(130, 64%, 34%) |
| OKLCH | oklch(56.4% 0.162 145.3) |
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 #1F8D31 | 4.27:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #1F8D31 | 4.91:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #1F8D31 text on white | 4.27:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #1F8D31 text on black | 4.91:1 | AA | Lc -32.6 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#C9E1C9
oklch(88.5% 0.041 145.2)
-
Step 300
300
#A4CEA4
oklch(81% 0.073 144.9)
-
Step 400
400
#70B473
oklch(70.8% 0.116 145.2)
-
Step 500
500
#44A04D
oklch(63% 0.148 145.4)
-
Step 600
600 (this color)
#1F8D31
oklch(56.4% 0.162 145.3)
-
Step 700
700
#077521
oklch(49% 0.15 145.4)
-
Step 800
800
#0F601D
oklch(42.8% 0.125 145.2)
-
Step 900
900
#174E1E
oklch(37.6% 0.096 145.5)
-
Step 950
950
#102E12
oklch(27% 0.062 144.9)
#1F8D31 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) | #8F8026 | 0.120 |
| Deuteranopia (no green cones) | #837739 | 0.121 |
| Tritanopia (no blue cones) | #00897A | 0.100 |
| Achromatopsia (no color) | #7A7A7A | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F8D31
#1F8D31
oklch(56.4% 0.162 145.3)
- #A34EA9
#A34EA9
oklch(56.4% 0.161 324.9)
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 #1F8D31, closest first.
No curated palette has a color within ΔE 0.04 of #1F8D31.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.012
- Kelley Green #009337 ΔE 0.017
- Emerald Green #028F1E ΔE 0.020
- Irish Green #019529 ΔE 0.027
- True Green #089404 ΔE 0.037
- Dark Grass Green #388004 ΔE 0.039
- Tree Green #2A7E19 ΔE 0.044
- Jungle Green #048243 ΔE 0.045
Use #1F8D31 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.