#334E37
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.5% 0.051 148.4), rgb(51, 78, 55).
Aa
White text reads best on this color (9.18:1).
About this color
#334E37 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.051 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.038 away. White text reads best on it, at 9.18:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #334E37 |
| RGB | rgb(51, 78, 55) |
| HSL | hsl(129, 21%, 25%) |
| OKLCH | oklch(39.5% 0.051 148.4) |
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 #334E37 | 9.18:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #334E37 | 2.28:1 | Fails | Lc 12.8 | Not readable |
| #334E37 text on white | 9.18:1 | AAA | Lc 91.1 | Preferred for body text |
| #334E37 text on black | 2.28:1 | Fails | Lc -11.2 | 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 900.
-
Step 50
50
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#D0DDD2
oklch(88.5% 0.02 150.1)
-
Step 300
300
#B1C8B3
oklch(81% 0.038 147.7)
-
Step 400
400
#87AC8C
oklch(70.8% 0.061 148.6)
-
Step 500
500
#68976F
oklch(63.1% 0.078 148.4)
-
Step 600
600
#4F8157
oklch(55.6% 0.084 148.3)
-
Step 700
700
#406D47
oklch(49.1% 0.078 148)
-
Step 800
800
#35593B
oklch(42.8% 0.065 148.5)
-
Step 900
900 (this color)
#334E37
oklch(39.5% 0.051 148.4)
-
Step 950
950
#1B2B1E
oklch(27% 0.032 149.7)
#334E37 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) | #4F4936 | 0.043 |
| Deuteranopia (no green cones) | #4A4738 | 0.040 |
| Tritanopia (no blue cones) | #2F4D48 | 0.029 |
| Achromatopsia (no color) | #484848 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334E37
#334E37
oklch(39.5% 0.051 148.4)
- #553D54
#553D54
oklch(39.5% 0.049 327.8)
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 #334E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.038
- Dark Blue Green #005249 ΔE 0.040
- Dark Teal #014D4E ΔE 0.050
- Pine #2B5D34 ΔE 0.051
- Evergreen #05472A ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.054
- Navy Green #35530A ΔE 0.057
- Deep Teal #00555A ΔE 0.058
Use #334E37 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.