#011901
Closest named color: Almost Black (#070D0D). oklch(18.6% 0.06 142.7), rgb(1, 25, 1).
Aa
White text reads best on this color (18.40:1).
About this color
#011901 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.060 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.064 away. White text reads best on it, at 18.40:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.14:1 |
| White text | 18.40:1 |
Values
| HEX | #011901 |
| RGB | rgb(1, 25, 1) |
| HSL | hsl(120, 92%, 5%) |
| OKLCH | oklch(18.6% 0.06 142.7) |
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 #011901 | 18.40:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #011901 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #011901 text on white | 18.40:1 | AAA | Lc 104.9 | Preferred for body text |
| #011901 text on black | 1.14:1 | 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
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A7CDA3
oklch(81% 0.071 142.4)
-
Step 400
400
#75B371
oklch(70.8% 0.114 142.9)
-
Step 500
500
#4E9F4A
oklch(63.1% 0.145 142.8)
-
Step 600
600
#2D892A
oklch(55.6% 0.157 142.7)
-
Step 700
700
#1E741D
oklch(49.1% 0.146 142.8)
-
Step 800
800
#1C5F1A
oklch(42.8% 0.122 142.7)
-
Step 900
900
#1E4E1C
oklch(37.8% 0.095 142.7)
-
Step 950
950 (this color)
#011901
oklch(18.6% 0.06 142.7)
#011901 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) | #1A1500 | 0.043 |
| Deuteranopia (no green cones) | #171302 | 0.043 |
| Tritanopia (no blue cones) | #001814 | 0.039 |
| Achromatopsia (no color) | #141414 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #011901
#011901
oklch(18.6% 0.06 142.7)
- #1F0822
#1F0822
oklch(18.7% 0.059 322.9)
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 #011901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.064
- Rich Navy #001219 ΔE 0.065
- Dark Forest Green #002D04 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.081
- Rich Black #0D1B2A ΔE 0.085
- Very Dark Brown #1D0200 ΔE 0.098
- Dark Brown #341C02 ΔE 0.099
- Jet #212529 ΔE 0.099
Use #011901 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.