#051901
Closest named color: Almost Black (#070D0D). oklch(18.9% 0.056 138.8), rgb(5, 25, 1).
Aa
White text reads best on this color (18.32:1).
About this color
#051901 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.056 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.063 away. White text reads best on it, at 18.32:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.14:1 |
| White text | 18.32:1 |
Values
| HEX | #051901 |
| RGB | rgb(5, 25, 1) |
| HSL | hsl(110, 92%, 5%) |
| OKLCH | oklch(18.9% 0.056 138.8) |
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 #051901 | 18.32:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #051901 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #051901 text on white | 18.32:1 | AAA | Lc 104.8 | Preferred for body text |
| #051901 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CDDFC8
oklch(88.4% 0.037 138.9)
-
Step 300
300
#ABCBA2
oklch(80.8% 0.066 138.8)
-
Step 400
400
#7EB170
oklch(70.8% 0.106 139.1)
-
Step 500
500
#5C9C48
oklch(63% 0.135 138.7)
-
Step 600
600
#408728
oklch(55.7% 0.148 138.9)
-
Step 700
700
#32721A
oklch(49.1% 0.137 138.7)
-
Step 800
800
#2A5D19
oklch(42.7% 0.113 139)
-
Step 900
900
#274C1B
oklch(37.6% 0.088 138.7)
-
Step 950
950 (this color)
#051901
oklch(18.9% 0.056 138.8)
#051901 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) | #1A1600 | 0.036 |
| Deuteranopia (no green cones) | #181402 | 0.037 |
| Tritanopia (no blue cones) | #041814 | 0.039 |
| Achromatopsia (no color) | #151515 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051901
#051901
oklch(18.9% 0.056 138.8)
- #1E0A23
#1E0A23
oklch(19% 0.055 319.3)
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 #051901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.063
- Rich Navy #001219 ΔE 0.064
- Dark Forest Green #002D04 ΔE 0.075
- Very Dark Green #062E03 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.082
- Dark Brown #341C02 ΔE 0.093
- Jet #212529 ΔE 0.094
- Very Dark Brown #1D0200 ΔE 0.095
Use #051901 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.