#424E33
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.5% 0.046 127.8), rgb(66, 78, 51).
Aa
White text reads best on this color (8.86:1).
About this color
#424E33 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.046 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.047 away. White text reads best on it, at 8.86:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.36:1 |
| White text | 8.86:1 |
Values
| HEX | #424E33 |
| RGB | rgb(66, 78, 51) |
| HSL | hsl(87, 21%, 25%) |
| OKLCH | oklch(40.5% 0.046 127.8) |
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 #424E33 | 8.86:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #424E33 | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #424E33 text on white | 8.86:1 | AAA | Lc 90.3 | Preferred for body text |
| #424E33 text on black | 2.36:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D6DBD1
oklch(88.5% 0.015 128.6)
-
Step 300
300
#BCC4B2
oklch(80.9% 0.026 126.6)
-
Step 400
400
#99A68A
oklch(70.7% 0.042 127.8)
-
Step 500
500
#80906D
oklch(63.1% 0.054 127.8)
-
Step 600
600
#697A54
oklch(55.5% 0.06 127.8)
-
Step 700
700
#586745
oklch(49.2% 0.055 127.6)
-
Step 800
800 (this color)
#424E33
oklch(40.5% 0.046 127.8)
-
Step 900
900
#3C4531
oklch(37.6% 0.035 127.7)
-
Step 950
950
#23291D
oklch(27.1% 0.023 129.5)
#424E33 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) | #514B31 | 0.024 |
| Deuteranopia (no green cones) | #4F4A34 | 0.024 |
| Tritanopia (no blue cones) | #434C47 | 0.035 |
| Achromatopsia (no color) | #4A4A4A | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424E33
#424E33
oklch(40.5% 0.046 127.8)
- #50435D
#50435D
oklch(40.7% 0.046 307.2)
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 #424E33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.047
- Green Brown #544E03 ΔE 0.049
- Pine #2B5D34 ΔE 0.053
- Mud Brown #60460F ΔE 0.057
- Navy Green #35530A ΔE 0.057
- Charcoal Grey #3C4142 ΔE 0.057
- Dark Blue Green #005249 ΔE 0.059
- Army Green #4B5D16 ΔE 0.067
Use #424E33 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.