#424E3E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.8% 0.03 137.9), rgb(66, 78, 62).
Aa
White text reads best on this color (8.78:1).
About this color
#424E3E is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.030 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.034 away. White text reads best on it, at 8.78:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.030) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.39:1 |
| White text | 8.78:1 |
Values
| HEX | #424E3E |
| RGB | rgb(66, 78, 62) |
| HSL | hsl(105, 11%, 27%) |
| OKLCH | oklch(40.8% 0.03 137.9) |
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 #424E3E | 8.78:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #424E3E | 2.39:1 | Fails | Lc 13.9 | Not readable |
| #424E3E text on white | 8.78:1 | AAA | Lc 90.1 | Preferred for body text |
| #424E3E text on black | 2.39:1 | Fails | Lc -12.2 | 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 800.
-
Step 50
50
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D6DBD4
oklch(88.6% 0.011 136.6)
-
Step 300
300
#BBC3B8
oklch(80.8% 0.018 137)
-
Step 400
400
#98A594
oklch(70.7% 0.028 138.3)
-
Step 500
500
#7F8F7A
oklch(63.1% 0.036 138.2)
-
Step 600
600
#687963
oklch(55.6% 0.039 138.6)
-
Step 700
700
#576652
oklch(49.2% 0.036 137.9)
-
Step 800
800 (this color)
#424E3E
oklch(40.8% 0.03 137.9)
-
Step 900
900
#3C4539
oklch(37.8% 0.023 137.9)
-
Step 950
950
#232821
oklch(26.9% 0.015 136.7)
#424E3E 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) | #4F4B3D | 0.021 |
| Deuteranopia (no green cones) | #4D4A3F | 0.021 |
| Tritanopia (no blue cones) | #424D4A | 0.021 |
| Achromatopsia (no color) | #4B4B4B | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424E3E
#424E3E
oklch(40.8% 0.03 137.9)
- #514555
#514555
oklch(40.9% 0.03 317.6)
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 #424E3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.034
- Charcoal Grey #3C4142 ΔE 0.047
- Dark Blue Green #005249 ΔE 0.055
- Pine #2B5D34 ΔE 0.061
- Dark Teal #014D4E ΔE 0.061
- Charcoal #264653 ΔE 0.062
- Deep Teal #00555A ΔE 0.062
- Green Brown #544E03 ΔE 0.064
Use #424E3E 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.