#31552B
Closest named color: Pine (#2B5D34). oklch(41.1% 0.079 140.9), rgb(49, 85, 43).
Aa
White text reads best on this color (8.51:1).
About this color
#31552B is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.079 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.025 away. White text reads best on it, at 8.51:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.46:1 |
| White text | 8.51:1 |
Values
| HEX | #31552B |
| RGB | rgb(49, 85, 43) |
| HSL | hsl(111, 33%, 25%) |
| OKLCH | oklch(41.1% 0.079 140.9) |
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 #31552B | 8.51:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #31552B | 2.46:1 | Fails | Lc 14.8 | Not readable |
| #31552B text on white | 8.51:1 | AAA | Lc 89.2 | Fine for body text |
| #31552B text on black | 2.46:1 | Fails | Lc -13.0 | 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
#B1C9AD
oklch(81% 0.047 141.2)
-
Step 400
400
#88AD81
oklch(70.8% 0.075 140.6)
-
Step 500
500
#699861
oklch(63.1% 0.095 140.9)
-
Step 600
600
#508247
oklch(55.6% 0.103 140.7)
-
Step 700
700
#406E39
oklch(49.1% 0.096 141.1)
-
Step 800
800 (this color)
#31552B
oklch(41.1% 0.079 140.9)
-
Step 900
900
#2F4A2A
oklch(37.8% 0.062 140.6)
-
Step 950
950
#1C2B19
oklch(27% 0.038 140.3)
#31552B 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) | #574F28 | 0.056 |
| Deuteranopia (no green cones) | #524B2E | 0.057 |
| Tritanopia (no blue cones) | #2E534B | 0.051 |
| Achromatopsia (no color) | #4D4D4D | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31552B
#31552B
oklch(41.1% 0.079 140.9)
- #5E3B65
#5E3B65
oklch(41% 0.08 320.8)
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 #31552B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.025
- Navy Green #35530A ΔE 0.030
- Spruce #0A5F38 ΔE 0.036
- Army Green #4B5D16 ΔE 0.050
- Forest #0B5509 ΔE 0.050
- Deep Green #02590F ΔE 0.051
- Green Brown #544E03 ΔE 0.053
- Dark Blue Green #005249 ΔE 0.056
Use #31552B 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.