#051B04
Closest named color: Rich Navy (#001219). oklch(19.7% 0.053 142.2), rgb(5, 27, 4).
Aa
White text reads best on this color (18.02:1).
About this color
#051B04 is a very dark, muted green. In OKLCH its lightness is 20%, its chroma 0.053 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.064 away. White text reads best on it, at 18.02:1.
| Hue family | Greens |
| Lightness | very dark (20%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.16:1 |
| White text | 18.02:1 |
Values
| HEX | #051B04 |
| RGB | rgb(5, 27, 4) |
| HSL | hsl(117, 74%, 6%) |
| OKLCH | oklch(19.7% 0.053 142.2) |
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 #051B04 | 18.02:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #051B04 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #051B04 text on white | 18.02:1 | AAA | Lc 104.6 | Preferred for body text |
| #051B04 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CDDFCA
oklch(88.4% 0.034 141.2)
-
Step 300
300
#AACCA6
oklch(81% 0.064 142.2)
-
Step 400
400
#7BB176
oklch(70.7% 0.102 142.4)
-
Step 500
500
#589D52
oklch(63.2% 0.129 142.2)
-
Step 600
600
#3A8735
oklch(55.6% 0.14 142.4)
-
Step 700
700
#2C7227
oklch(49% 0.13 142.2)
-
Step 800
800
#265D22
oklch(42.7% 0.108 142.3)
-
Step 900
900
#244C21
oklch(37.6% 0.083 142.4)
-
Step 950
950 (this color)
#051B04
oklch(19.7% 0.053 142.2)
#051B04 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) | #1C1802 | 0.037 |
| Deuteranopia (no green cones) | #191605 | 0.037 |
| Tritanopia (no blue cones) | #031A16 | 0.034 |
| Achromatopsia (no color) | #161616 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #051B04
#051B04
oklch(19.7% 0.053 142.2)
- #200C23
#200C23
oklch(19.7% 0.052 322.3)
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 #051B04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.064
- Almost Black #070D0D ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.068
- Very Dark Green #062E03 ΔE 0.073
- Rich Black #0D1B2A ΔE 0.076
- Jet #212529 ΔE 0.086
- Dark Brown #341C02 ΔE 0.088
- Dark #1B2431 ΔE 0.093
Use #051B04 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.