#05251B
Closest named color: Jet (#212529). oklch(23.8% 0.042 168.5), rgb(5, 37, 27).
Aa
White text reads best on this color (16.31:1).
About this color
#05251B is a very dark, muted green. In OKLCH its lightness is 24%, its chroma 0.042 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.048 away. White text reads best on it, at 16.31:1.
| Hue family | Greens |
| Lightness | very dark (24%) |
| Chroma | muted (0.042) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.28:1 |
| White text | 16.31:1 |
Values
| HEX | #05251B |
| RGB | rgb(5, 37, 27) |
| HSL | hsl(161, 76%, 8%) |
| OKLCH | oklch(23.8% 0.042 168.5) |
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 #05251B | 16.31:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #05251B | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #05251B text on white | 16.31:1 | AAA | Lc 103.1 | Preferred for body text |
| #05251B text on black | 1.28:1 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8DFD6
oklch(88.4% 0.027 170.2)
-
Step 300
300
#A2CCBB
oklch(81% 0.05 168.4)
-
Step 400
400
#6CB197
oklch(70.7% 0.08 168)
-
Step 500
500
#3D9D7E
oklch(63% 0.102 168.5)
-
Step 600
600
#048867
oklch(55.7% 0.112 168.1)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#015E46
oklch(42.8% 0.086 167.9)
-
Step 900
900
#124D3B
oklch(37.8% 0.067 168.3)
-
Step 950
950 (this color)
#05251B
oklch(23.8% 0.042 168.5)
#05251B 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) | #24221A | 0.043 |
| Deuteranopia (no green cones) | #1F1F1C | 0.040 |
| Tritanopia (no blue cones) | #002522 | 0.013 |
| Achromatopsia (no color) | #202020 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05251B
#05251B
oklch(23.8% 0.042 168.5)
- #2D1622
#2D1622
oklch(23.7% 0.042 348.2)
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 #05251B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.048
- Dark Forest Green #002D04 ΔE 0.052
- Dark #1B2431 ΔE 0.054
- Very Dark Green #062E03 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.055
- Oxford Blue #1B263B ΔE 0.069
- Rich Navy #001219 ΔE 0.077
- Dark Brown #341C02 ΔE 0.078
Use #05251B 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.