#2A5739
Closest named color: Pine (#2B5D34). oklch(41.6% 0.071 153), rgb(42, 87, 57).
Aa
White text reads best on this color (8.33:1).
About this color
#2A5739 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.071 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.023 away. White text reads best on it, at 8.33:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.52:1 |
| White text | 8.33:1 |
Values
| HEX | #2A5739 |
| RGB | rgb(42, 87, 57) |
| HSL | hsl(140, 35%, 25%) |
| OKLCH | oklch(41.6% 0.071 153) |
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 #2A5739 | 8.33:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #2A5739 | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #2A5739 text on white | 8.33:1 | AAA | Lc 88.6 | Fine for body text |
| #2A5739 text on black | 2.52:1 | Fails | Lc -13.6 | 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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED2
oklch(88.5% 0.024 153.4)
-
Step 300
300
#ADC9B4
oklch(80.9% 0.042 153)
-
Step 400
400
#81AD8D
oklch(70.7% 0.066 152.9)
-
Step 500
500
#609971
oklch(63.2% 0.085 152.9)
-
Step 600
600
#458359
oklch(55.6% 0.092 152.8)
-
Step 700
700
#366F49
oklch(49.2% 0.086 152.9)
-
Step 800
800 (this color)
#2A5739
oklch(41.6% 0.071 153)
-
Step 900
900
#294A33
oklch(37.6% 0.056 152.7)
-
Step 950
950
#192B1E
oklch(26.9% 0.034 152.4)
#2A5739 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) | #575137 | 0.062 |
| Deuteranopia (no green cones) | #504C3B | 0.060 |
| Tritanopia (no blue cones) | #20564F | 0.036 |
| Achromatopsia (no color) | #4E4E4E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5739
#2A5739
oklch(41.6% 0.071 153)
- #633D5C
#633D5C
oklch(41.6% 0.07 333.7)
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 #2A5739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.023
- Spruce #0A5F38 ΔE 0.031
- Dark Blue Green #005249 ΔE 0.042
- Navy Green #35530A ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.052
- Deep Teal #00555A ΔE 0.058
- Army Green #4B5D16 ΔE 0.060
Use #2A5739 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.