#187E1F
Closest named color: Tree Green (#2A7E19). oklch(51.8% 0.158 143.6), rgb(24, 126, 31).
Aa
White text reads best on this color (5.19:1).
About this color
#187E1F is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.158 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.009 away. White text reads best on it, at 5.19:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #187E1F |
| RGB | rgb(24, 126, 31) |
| HSL | hsl(124, 68%, 29%) |
| OKLCH | oklch(51.8% 0.158 143.6) |
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 #187E1F | 5.19:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #187E1F | 4.04:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #187E1F text on white | 5.19:1 | AA | Lc 75.2 | Fine for body text |
| #187E1F text on black | 4.04:1 | AA large text | Lc -26.5 | 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
#C9E1C8
oklch(88.5% 0.042 144.1)
-
Step 300
300
#A3CEA1
oklch(80.9% 0.077 143.7)
-
Step 400
400
#6FB46E
oklch(70.6% 0.122 143.8)
-
Step 500
500
#44A145
oklch(63.2% 0.157 143.6)
-
Step 600
600
#1B8B23
oklch(55.6% 0.17 143.6)
-
Step 700
700 (this color)
#187E1F
oklch(51.8% 0.158 143.6)
-
Step 800
800
#0F6015
oklch(42.7% 0.131 143.6)
-
Step 900
900
#174F19
oklch(37.8% 0.103 143.7)
-
Step 950
950
#102E10
oklch(27% 0.064 143.6)
#187E1F 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) | #81710E | 0.115 |
| Deuteranopia (no green cones) | #766A29 | 0.114 |
| Tritanopia (no blue cones) | #007A6B | 0.100 |
| Achromatopsia (no color) | #6D6D6D | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187E1F
#187E1F
oklch(51.8% 0.158 143.6)
- #92429B
#92429B
oklch(51.8% 0.157 323.5)
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 #187E1F, closest first.
No curated palette has a color within ΔE 0.04 of #187E1F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.009
- Green #008000 ΔE 0.019
- Dark Grass Green #388004 ΔE 0.023
- Jungle Green #048243 ΔE 0.034
- Forest Green #228B22 ΔE 0.041
- Emerald Green #028F1E ΔE 0.052
- Kelley Green #009337 ΔE 0.062
- Irish Green #019529 ΔE 0.068
Use #187E1F 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.