#031F00
Closest named color: Dark Forest Green (#002D04). oklch(20.9% 0.068 140.5), rgb(3, 31, 0).
Aa
White text reads best on this color (17.50:1).
About this color
#031F00 is a very dark, muted green. In OKLCH its lightness is 21%, its chroma 0.068 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.051 away. White text reads best on it, at 17.50:1.
| Hue family | Greens |
| Lightness | very dark (21%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.19:1 |
| White text | 17.50:1 |
Values
| HEX | #031F00 |
| RGB | rgb(3, 31, 0) |
| HSL | hsl(114, 100%, 6%) |
| OKLCH | oklch(20.9% 0.068 140.5) |
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 #031F00 | 17.50:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #031F00 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #031F00 text on white | 17.50:1 | AAA | Lc 104.1 | Preferred for body text |
| #031F00 text on black | 1.19:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CAE1C5
oklch(88.5% 0.045 140.1)
-
Step 300
300
#A5CE9D
oklch(80.9% 0.08 140.5)
-
Step 400
400
#72B466
oklch(70.6% 0.129 140.6)
-
Step 500
500
#49A138
oklch(63.2% 0.165 140.6)
-
Step 600
600
#258B04
oklch(55.7% 0.18 140.5)
-
Step 700
700
#1C7500
oklch(49.2% 0.16 140.5)
-
Step 800
800
#166001
oklch(42.8% 0.139 140.5)
-
Step 900
900
#1B4F10
oklch(37.8% 0.108 140.5)
-
Step 950
950 (this color)
#031F00
oklch(20.9% 0.068 140.5)
#031F00 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) | #201B00 | 0.046 |
| Deuteranopia (no green cones) | #1D1902 | 0.046 |
| Tritanopia (no blue cones) | #001E19 | 0.046 |
| Achromatopsia (no color) | #191919 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #031F00
#031F00
oklch(20.9% 0.068 140.5)
- #250B2B
#250B2B
oklch(20.9% 0.068 319.7)
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 #031F00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.051
- Very Dark Green #062E03 ΔE 0.056
- Rich Navy #001219 ΔE 0.082
- Almost Black #070D0D ΔE 0.085
- Rich Black #0D1B2A ΔE 0.088
- Dark Brown #341C02 ΔE 0.088
- Jet #212529 ΔE 0.089
- Dark #1B2431 ΔE 0.097
Use #031F00 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.