#051B00
Closest named color: Dark Forest Green (#002D04). oklch(19.6% 0.061 138.3), rgb(5, 27, 0).
Aa
White text reads best on this color (18.05:1).
About this color
#051B00 is a very dark, muted green. In OKLCH its lightness is 20%, its chroma 0.061 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.066 away. White text reads best on it, at 18.05:1.
| Hue family | Greens |
| Lightness | very dark (20%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.16:1 |
| White text | 18.05:1 |
Values
| HEX | #051B00 |
| RGB | rgb(5, 27, 0) |
| HSL | hsl(109, 100%, 5%) |
| OKLCH | oklch(19.6% 0.061 138.3) |
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 #051B00 | 18.05:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #051B00 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #051B00 text on white | 18.05:1 | AAA | Lc 104.6 | Preferred for body text |
| #051B00 text on black | 1.16:1 | 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
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CCE0C7
oklch(88.5% 0.04 139.4)
-
Step 300
300
#AACC9F
oklch(80.8% 0.072 138.1)
-
Step 400
400
#7BB26A
oklch(70.7% 0.116 138.5)
-
Step 500
500
#589E3F
oklch(63.2% 0.148 138.3)
-
Step 600
600
#3B8819
oklch(55.7% 0.16 138.4)
-
Step 700
700
#2D7307
oklch(49.1% 0.149 138.3)
-
Step 800
800
#265E0D
oklch(42.8% 0.124 138.4)
-
Step 900
900
#244D15
oklch(37.7% 0.097 138.5)
-
Step 950
950 (this color)
#051B00
oklch(19.6% 0.061 138.3)
#051B00 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) | #1C1700 | 0.040 |
| Deuteranopia (no green cones) | #191601 | 0.037 |
| Tritanopia (no blue cones) | #041A15 | 0.041 |
| Achromatopsia (no color) | #161616 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051B00
#051B00
oklch(19.6% 0.061 138.3)
- #200A26
#200A26
oklch(19.5% 0.06 318.6)
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 #051B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.066
- Rich Navy #001219 ΔE 0.071
- Very Dark Green #062E03 ΔE 0.071
- Almost Black #070D0D ΔE 0.071
- Rich Black #0D1B2A ΔE 0.085
- Dark Brown #341C02 ΔE 0.090
- Jet #212529 ΔE 0.093
- Dark #1B2431 ΔE 0.100
Use #051B00 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.