#31552D
Closest named color: Pine (#2B5D34). oklch(41.1% 0.077 141.9), rgb(49, 85, 45).
Aa
White text reads best on this color (8.50:1).
About this color
#31552D is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.077 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.024 away. White text reads best on it, at 8.50:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #31552D |
| RGB | rgb(49, 85, 45) |
| HSL | hsl(114, 31%, 25%) |
| OKLCH | oklch(41.1% 0.077 141.9) |
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 #31552D | 8.50:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #31552D | 2.46:1 | Fails | Lc 14.8 | Not readable |
| #31552D text on white | 8.50:1 | AAA | Lc 89.2 | Fine for body text |
| #31552D text on black | 2.46:1 | Fails | Lc -13.1 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#D0DECE
oklch(88.6% 0.026 141.8)
-
Step 300
300
#B1C8AE
oklch(80.8% 0.044 142)
-
Step 400
400
#87AC83
oklch(70.6% 0.071 142.3)
-
Step 500
500
#699863
oklch(63.2% 0.093 141.7)
-
Step 600
600
#50824A
oklch(55.6% 0.1 141.7)
-
Step 700
700
#406E3B
oklch(49.1% 0.093 141.9)
-
Step 800
800 (this color)
#31552D
oklch(41.1% 0.077 141.9)
-
Step 900
900
#2F4A2B
oklch(37.8% 0.061 141.3)
-
Step 950
950
#1C2B1A
oklch(27% 0.037 141.6)
#31552D 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) | #574F2A | 0.056 |
| Deuteranopia (no green cones) | #524B2F | 0.056 |
| Tritanopia (no blue cones) | #2E534B | 0.049 |
| Achromatopsia (no color) | #4D4D4D | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31552D
#31552D
oklch(41.1% 0.077 141.9)
- #5E3C63
#5E3C63
oklch(41.1% 0.076 322.2)
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 #31552D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.024
- Navy Green #35530A ΔE 0.032
- Spruce #0A5F38 ΔE 0.036
- Army Green #4B5D16 ΔE 0.051
- Forest #0B5509 ΔE 0.052
- Deep Green #02590F ΔE 0.053
- Green Brown #544E03 ΔE 0.054
- Dark Blue Green #005249 ΔE 0.054
Use #31552D 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.