#187740
Closest named color: Jungle Green (#048243). oklch(50.3% 0.121 152.4), rgb(24, 119, 64).
Aa
White text reads best on this color (5.59:1).
About this color
#187740 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.121 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.033 away. White text reads best on it, at 5.59:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #187740 |
| RGB | rgb(24, 119, 64) |
| HSL | hsl(145, 66%, 28%) |
| OKLCH | oklch(50.3% 0.121 152.4) |
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 #187740 | 5.59:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #187740 | 3.75:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #187740 text on white | 5.59:1 | AA | Lc 77.6 | Fine for body text |
| #187740 text on black | 3.75:1 | AA large text | Lc -24.2 | 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
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A5CCAF
oklch(80.9% 0.058 152.8)
-
Step 400
400
#72B284
oklch(70.8% 0.094 152.3)
-
Step 500
500
#489E65
oklch(63.1% 0.12 152.5)
-
Step 600
600
#23884C
oklch(55.5% 0.129 152.5)
-
Step 700
700 (this color)
#187740
oklch(50.3% 0.121 152.4)
-
Step 800
800
#155E32
oklch(42.7% 0.101 152.1)
-
Step 900
900
#1A4D2C
oklch(37.6% 0.078 152.2)
-
Step 950
950
#112D1A
oklch(26.9% 0.049 152.2)
#187740 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) | #776C3C | 0.104 |
| Deuteranopia (no green cones) | #6C6544 | 0.101 |
| Tritanopia (no blue cones) | #00756A | 0.064 |
| Achromatopsia (no color) | #686868 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187740
#187740
oklch(50.3% 0.121 152.4)
- #8B4782
#8B4782
oklch(50.3% 0.121 332.3)
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 #187740, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.033
- Tree Green #2A7E19 ΔE 0.049
- Dark Olive Green #556B2F ΔE 0.057
- Dark Grass Green #388004 ΔE 0.061
- Green #008000 ΔE 0.063
- Camo Green #526525 ΔE 0.065
- Sea Green #2E8B57 ΔE 0.066
- Dark Moss Green #606C38 ΔE 0.070
Use #187740 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.