#051900
Closest named color: Almost Black (#070D0D). oklch(18.9% 0.058 137.8), rgb(5, 25, 0).
Aa
White text reads best on this color (18.33:1).
About this color
#051900 is a very dark, muted green. In OKLCH its lightness is 19%, its chroma 0.058 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.065 away. White text reads best on it, at 18.33:1.
| Hue family | Greens |
| Lightness | very dark (19%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.14:1 |
| White text | 18.33:1 |
Values
| HEX | #051900 |
| RGB | rgb(5, 25, 0) |
| HSL | hsl(108, 100%, 5%) |
| OKLCH | oklch(18.9% 0.058 137.8) |
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 #051900 | 18.33:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #051900 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #051900 text on white | 18.33:1 | AAA | Lc 104.8 | Preferred for body text |
| #051900 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
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#ABCCA0
oklch(80.9% 0.07 137.9)
-
Step 400
400
#7EB16C
oklch(70.7% 0.111 137.8)
-
Step 500
500
#5C9D43
oklch(63.2% 0.141 137.9)
-
Step 600
600
#41871F
oklch(55.7% 0.153 137.6)
-
Step 700
700
#327210
oklch(49.1% 0.142 137.7)
-
Step 800
800
#2A5D12
oklch(42.7% 0.118 137.8)
-
Step 900
900
#274C18
oklch(37.6% 0.091 137.8)
-
Step 950
950 (this color)
#051900
oklch(18.9% 0.058 137.8)
#051900 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 | 0.037 |
| Deuteranopia (no green cones) | #181401 | 0.037 |
| Tritanopia (no blue cones) | #041813 | 0.039 |
| Achromatopsia (no color) | #151515 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051900
#051900
oklch(18.9% 0.058 137.8)
- #1E0924
#1E0924
oklch(18.9% 0.059 318.2)
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 #051900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.065
- Rich Navy #001219 ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.074
- Very Dark Green #062E03 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.084
- Dark Brown #341C02 ΔE 0.093
- Very Dark Brown #1D0200 ΔE 0.096
- Jet #212529 ΔE 0.096
Use #051900 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.