#31784B
Closest named color: Jungle Green (#048243). oklch(51.5% 0.101 153.1), rgb(49, 120, 75).
Aa
White text reads best on this color (5.35:1).
About this color
#31784B is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.101 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.040 away. White text reads best on it, at 5.35:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.91:1 |
| White text | 5.35:1 |
Values
| HEX | #31784B |
| RGB | rgb(49, 120, 75) |
| HSL | hsl(142, 42%, 33%) |
| OKLCH | oklch(51.5% 0.101 153.1) |
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 #31784B | 5.35:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #31784B | 3.91:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #31784B text on white | 5.35:1 | AA | Lc 76.4 | Fine for body text |
| #31784B text on black | 3.91:1 | AA large text | Lc -25.3 | 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 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD1
oklch(88.6% 0.028 153.8)
-
Step 300
300
#A9CAB2
oklch(80.8% 0.049 153.6)
-
Step 400
400
#7AAF8A
oklch(70.6% 0.078 153.6)
-
Step 500
500
#569B6C
oklch(63.1% 0.1 152.9)
-
Step 600
600
#388554
oklch(55.5% 0.108 153.1)
-
Step 700
700 (this color)
#31784B
oklch(51.5% 0.101 153.1)
-
Step 800
800
#245C38
oklch(42.7% 0.084 152.8)
-
Step 900
900
#234C31
oklch(37.8% 0.066 153.2)
-
Step 950
950
#152C1D
oklch(26.9% 0.041 154.1)
#31784B 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) | #786F48 | 0.088 |
| Deuteranopia (no green cones) | #6E684E | 0.086 |
| Tritanopia (no blue cones) | #1C766C | 0.052 |
| Achromatopsia (no color) | #6B6B6B | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31784B
#31784B
oklch(51.5% 0.101 153.1)
- #8A5080
#8A5080
oklch(51.5% 0.101 333.5)
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 #31784B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.040
- Dark Olive Green #556B2F ΔE 0.050
- Sea Green #2E8B57 ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.057
- Muddy Green #657432 ΔE 0.058
- Military Green #667C3E ΔE 0.061
- Dark Sage #598556 ΔE 0.061
- Tree Green #2A7E19 ΔE 0.061
Use #31784B 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.