#2F4F40
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.8% 0.046 163.1), rgb(47, 79, 64).
Aa
White text reads best on this color (9.07:1).
About this color
#2F4F40 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.046 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.025 away. White text reads best on it, at 9.07:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.31:1 |
| White text | 9.07:1 |
Values
| HEX | #2F4F40 |
| RGB | rgb(47, 79, 64) |
| HSL | hsl(152, 25%, 25%) |
| OKLCH | oklch(39.8% 0.046 163.1) |
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 #2F4F40 | 9.07:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #2F4F40 | 2.31:1 | Fails | Lc 13.2 | Not readable |
| #2F4F40 text on white | 9.07:1 | AAA | Lc 90.8 | Preferred for body text |
| #2F4F40 text on black | 2.31:1 | Fails | Lc -11.5 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD5
oklch(88.4% 0.019 162.9)
-
Step 300
300
#ADC8BA
oklch(80.9% 0.035 163)
-
Step 400
400
#81AC97
oklch(70.7% 0.056 163.4)
-
Step 500
500
#60977D
oklch(63% 0.071 163)
-
Step 600
600
#458166
oklch(55.4% 0.076 163.1)
-
Step 700
700
#366D55
oklch(49% 0.071 163.4)
-
Step 800
800
#2E5946
oklch(42.7% 0.058 163.6)
-
Step 900
900 (this color)
#2F4F40
oklch(39.8% 0.046 163.1)
-
Step 950
950
#192B22
oklch(27% 0.029 161.9)
#2F4F40 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) | #4E4B3F | 0.045 |
| Deuteranopia (no green cones) | #494741 | 0.044 |
| Tritanopia (no blue cones) | #274F4B | 0.019 |
| Achromatopsia (no color) | #484848 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F4F40
#2F4F40
oklch(39.8% 0.046 163.1)
- #593D4E
#593D4E
oklch(39.8% 0.047 342.4)
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 #2F4F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.025
- Dark Blue Green #005249 ΔE 0.031
- Dark Teal #014D4E ΔE 0.040
- Deep Teal #00555A ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.049
- Charcoal #264653 ΔE 0.052
- Pine #2B5D34 ΔE 0.055
- Evergreen #05472A ΔE 0.057
Use #2F4F40 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.