#31603E
Closest named color: Pine (#2B5D34). oklch(44.6% 0.076 151.2), rgb(49, 96, 62).
Aa
White text reads best on this color (7.30:1).
About this color
#31603E is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.076 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.017 away. White text reads best on it, at 7.30:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #31603E |
| RGB | rgb(49, 96, 62) |
| HSL | hsl(137, 32%, 28%) |
| OKLCH | oklch(44.6% 0.076 151.2) |
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 #31603E | 7.30:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #31603E | 2.87:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #31603E text on white | 7.30:1 | AAA | Lc 85.2 | Fine for body text |
| #31603E text on black | 2.87:1 | Fails | Lc -16.8 | Dividers and decoration only |
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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED1
oklch(88.5% 0.025 151.1)
-
Step 300
300
#ADC9B2
oklch(80.9% 0.044 150.4)
-
Step 400
400
#80AE8A
oklch(70.8% 0.072 150.9)
-
Step 500
500
#5E996D
oklch(63% 0.091 151.2)
-
Step 600
600
#428455
oklch(55.7% 0.1 151.3)
-
Step 700
700
#346F45
oklch(49% 0.092 151.1)
-
Step 800
800 (this color)
#31603E
oklch(44.6% 0.076 151.2)
-
Step 900
900
#284B31
oklch(37.8% 0.06 150.9)
-
Step 950
950
#182C1D
oklch(27.1% 0.038 151.1)
#31603E 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) | #60593C | 0.065 |
| Deuteranopia (no green cones) | #595440 | 0.064 |
| Tritanopia (no blue cones) | #285F57 | 0.040 |
| Achromatopsia (no color) | #565656 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31603E
#31603E
oklch(44.6% 0.076 151.2)
- #6C4467
#6C4467
oklch(44.6% 0.075 331.3)
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 #31603E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.017
- Spruce #0A5F38 ΔE 0.029
- Dark Green Blue #1F6357 ΔE 0.037
- Army Green #4B5D16 ΔE 0.047
- Camouflage Green #4B6113 ΔE 0.051
- Camo Green #526525 ΔE 0.053
- Navy Green #35530A ΔE 0.059
- Dark Olive Green #556B2F ΔE 0.063
Use #31603E 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.