#187A19
Closest named color: Tree Green (#2A7E19). oklch(50.6% 0.157 142.9), rgb(24, 122, 25).
Aa
White text reads best on this color (5.47:1).
About this color
#187A19 is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.157 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.017 away. White text reads best on it, at 5.47:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #187A19 |
| RGB | rgb(24, 122, 25) |
| HSL | hsl(121, 67%, 29%) |
| OKLCH | oklch(50.6% 0.157 142.9) |
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 #187A19 | 5.47:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #187A19 | 3.83:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #187A19 text on white | 5.47:1 | AA | Lc 76.8 | Fine for body text |
| #187A19 text on black | 3.83:1 | AA large text | Lc -25.0 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE1C7
oklch(88.6% 0.043 142)
-
Step 300
300
#A4CEA1
oklch(80.9% 0.077 143.1)
-
Step 400
400
#71B46D
oklch(70.7% 0.122 142.9)
-
Step 500
500
#47A044
oklch(63% 0.155 142.9)
-
Step 600
600
#218A21
oklch(55.5% 0.169 142.9)
-
Step 700
700 (this color)
#187A19
oklch(50.6% 0.157 142.9)
-
Step 800
800
#136014
oklch(42.8% 0.13 143)
-
Step 900
900
#194E18
oklch(37.5% 0.101 143)
-
Step 950
950
#112E0F
oklch(27% 0.064 142.4)
#187A19 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) | #7D6E03 | 0.112 |
| Deuteranopia (no green cones) | #726624 | 0.112 |
| Tritanopia (no blue cones) | #007668 | 0.102 |
| Achromatopsia (no color) | #696969 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187A19
#187A19
oklch(50.6% 0.157 142.9)
- #8E3F98
#8E3F98
oklch(50.7% 0.157 323)
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 #187A19, closest first.
No curated palette has a color within ΔE 0.04 of #187A19.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.017
- Green #008000 ΔE 0.024
- Dark Grass Green #388004 ΔE 0.031
- Jungle Green #048243 ΔE 0.041
- Forest Green #228B22 ΔE 0.053
- Emerald Green #028F1E ΔE 0.063
- Dark Green #006400 ΔE 0.071
- Kelley Green #009337 ΔE 0.074
Use #187A19 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.