#01311B
Closest named color: Very Dark Green (#062E03). oklch(27.6% 0.064 157.5), rgb(1, 49, 27).
Aa
White text reads best on this color (14.41:1).
About this color
#01311B is a dark, muted green. In OKLCH its lightness is 28%, its chroma 0.064 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Green (#062E03), ΔE 0.030 away. White text reads best on it, at 14.41:1.
| Hue family | Greens |
| Lightness | dark (28%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Very Dark Green (#062E03) |
| Black text | 1.45:1 |
| White text | 14.41:1 |
Values
| HEX | #01311B |
| RGB | rgb(1, 49, 27) |
| HSL | hsl(153, 96%, 10%) |
| OKLCH | oklch(27.6% 0.064 157.5) |
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 #01311B | 14.41:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #01311B | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #01311B text on white | 14.41:1 | AAA | Lc 100.9 | Preferred for body text |
| #01311B text on black | 1.45:1 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DFEFE4
oklch(93.7% 0.022 155.9)
-
Step 200
200
#C3E2CE
oklch(88.5% 0.043 157.1)
-
Step 300
300
#97D0AE
oklch(80.9% 0.076 158)
-
Step 400
400
#56B782
oklch(70.7% 0.121 157.3)
-
Step 500
500
#00A365
oklch(63% 0.148 157.8)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950 (this color)
#01311B
oklch(27.6% 0.064 157.5)
#01311B 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) | #302C1A | 0.058 |
| Deuteranopia (no green cones) | #2B281C | 0.057 |
| Tritanopia (no blue cones) | #00312B | 0.028 |
| Achromatopsia (no color) | #2A2A2A | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01311B
#01311B
oklch(27.6% 0.064 157.5)
- #3B1A33
#3B1A33
oklch(27.5% 0.064 337.1)
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 #01311B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Green #062E03 ΔE 0.030
- Dark Forest Green #002D04 ΔE 0.031
- Pakistan Green #283618 ΔE 0.047
- Hunter Green #0B4008 ΔE 0.064
- Jet #212529 ΔE 0.066
- Dark #1B2431 ΔE 0.076
- Evergreen #05472A ΔE 0.077
- Forrest Green #154406 ΔE 0.080
Use #01311B 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.