#434F37
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41% 0.041 129.7), rgb(67, 79, 55).
Aa
White text reads best on this color (8.70:1).
About this color
#434F37 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.041 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.044 away. White text reads best on it, at 8.70:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #434F37 |
| RGB | rgb(67, 79, 55) |
| HSL | hsl(90, 18%, 26%) |
| OKLCH | oklch(41% 0.041 129.7) |
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 #434F37 | 8.70:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #434F37 | 2.41:1 | Fails | Lc 14.1 | Not readable |
| #434F37 text on white | 8.70:1 | AAA | Lc 89.8 | Fine for body text |
| #434F37 text on black | 2.41:1 | Fails | Lc -12.4 | 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
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D6DBD2
oklch(88.5% 0.013 130.8)
-
Step 300
300
#BBC4B4
oklch(80.9% 0.024 131.2)
-
Step 400
400
#99A68D
oklch(70.8% 0.038 129.8)
-
Step 500
500
#809070
oklch(63.2% 0.05 129.4)
-
Step 600
600
#697A58
oklch(55.6% 0.055 129.6)
-
Step 700
700
#576748
oklch(49.2% 0.051 130.3)
-
Step 800
800 (this color)
#434F37
oklch(41% 0.041 129.7)
-
Step 900
900
#3C4533
oklch(37.7% 0.032 129.5)
-
Step 950
950
#23291E
oklch(27.1% 0.022 131.1)
#434F37 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) | #514C35 | 0.023 |
| Deuteranopia (no green cones) | #4F4B38 | 0.023 |
| Tritanopia (no blue cones) | #444D49 | 0.032 |
| Achromatopsia (no color) | #4B4B4B | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434F37
#434F37
oklch(41% 0.041 129.7)
- #51445B
#51445B
oklch(40.9% 0.041 310.1)
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 #434F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.044
- Green Brown #544E03 ΔE 0.053
- Pine #2B5D34 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.056
- Dark Blue Green #005249 ΔE 0.058
- Mud Brown #60460F ΔE 0.058
- Navy Green #35530A ΔE 0.061
- Spruce #0A5F38 ΔE 0.067
Use #434F37 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.