#1F4E01
Closest named color: Forest (#0B5509). oklch(37.6% 0.113 137.2), rgb(31, 78, 1).
Aa
White text reads best on this color (9.77:1).
About this color
#1F4E01 is a dark, moderately saturated green. In OKLCH its lightness is 38%, its chroma 0.113 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.023 away. White text reads best on it, at 9.77:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.14:1 |
| White text | 9.77:1 |
Values
| HEX | #1F4E01 |
| RGB | rgb(31, 78, 1) |
| HSL | hsl(97, 97%, 15%) |
| OKLCH | oklch(37.6% 0.113 137.2) |
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 #1F4E01 | 9.77:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #1F4E01 | 2.14:1 | Fails | Lc 11.6 | Not readable |
| #1F4E01 text on white | 9.77:1 | AAA | Lc 92.3 | Preferred for body text |
| #1F4E01 text on black | 2.14:1 | Fails | Lc -10.1 | Not readable |
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 900.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#CBE1C3
oklch(88.5% 0.047 137.3)
-
Step 300
300
#A7CE98
oklch(80.9% 0.085 137.1)
-
Step 400
400
#76B45C
oklch(70.7% 0.136 137.1)
-
Step 500
500
#50A024
oklch(63.1% 0.174 137.1)
-
Step 600
600
#3B8800
oklch(55.6% 0.169 137.1)
-
Step 700
700
#307300
oklch(49.2% 0.15 137.3)
-
Step 800
800
#265E00
oklch(42.7% 0.13 137.2)
-
Step 900
900 (this color)
#1F4E01
oklch(37.6% 0.113 137.2)
-
Step 950
950
#132E06
oklch(27% 0.072 137.3)
#1F4E01 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) | #514600 | 0.073 |
| Deuteranopia (no green cones) | #4B420B | 0.072 |
| Tritanopia (no blue cones) | #1C4B41 | 0.080 |
| Achromatopsia (no color) | #444444 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F4E01
#1F4E01
oklch(37.6% 0.113 137.2)
- #592A68
#592A68
oklch(37.7% 0.113 317.3)
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 #1F4E01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.023
- Bottle Green #044A05 ΔE 0.023
- Darkgreen #054907 ΔE 0.026
- British Racing Green #05480D ΔE 0.030
- Navy Green #35530A ΔE 0.032
- Deep Green #02590F ΔE 0.035
- Racing Green #014600 ΔE 0.036
- Forrest Green #154406 ΔE 0.037
Use #1F4E01 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.