#187C1A
Closest named color: Tree Green (#2A7E19). oklch(51.2% 0.159 143), rgb(24, 124, 26).
Aa
White text reads best on this color (5.33:1).
About this color
#187C1A is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.159 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 0.012 away. White text reads best on it, at 5.33:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #187C1A |
| RGB | rgb(24, 124, 26) |
| HSL | hsl(121, 68%, 29%) |
| OKLCH | oklch(51.2% 0.159 143) |
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 #187C1A | 5.33:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #187C1A | 3.93:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #187C1A text on white | 5.33:1 | AA | Lc 76.0 | Fine for body text |
| #187C1A text on black | 3.93:1 | AA large text | Lc -25.7 | 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
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#C9E1C7
oklch(88.5% 0.043 143.1)
-
Step 300
300
#A4CEA1
oklch(80.9% 0.077 143.1)
-
Step 400
400
#70B46D
oklch(70.7% 0.122 143.2)
-
Step 500
500
#46A143
oklch(63.2% 0.158 142.9)
-
Step 600
600
#1E8B20
oklch(55.7% 0.171 143)
-
Step 700
700 (this color)
#187C1A
oklch(51.2% 0.159 143)
-
Step 800
800
#116013
oklch(42.8% 0.132 143.1)
-
Step 900
900
#184F18
oklch(37.8% 0.103 143.2)
-
Step 950
950
#102E0F
oklch(26.9% 0.065 143)
#187C1A 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) | #7F7004 | 0.113 |
| Deuteranopia (no green cones) | #746825 | 0.113 |
| Tritanopia (no blue cones) | #007869 | 0.101 |
| Achromatopsia (no color) | #6B6B6B | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187C1A
#187C1A
oklch(51.2% 0.159 143)
- #90409A
#90409A
oklch(51.2% 0.158 323.1)
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 #187C1A, closest first.
No curated palette has a color within ΔE 0.04 of #187C1A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.012
- Green #008000 ΔE 0.020
- Dark Grass Green #388004 ΔE 0.026
- Jungle Green #048243 ΔE 0.038
- Forest Green #228B22 ΔE 0.047
- Emerald Green #028F1E ΔE 0.057
- Kelley Green #009337 ΔE 0.068
- Olive Green #677A04 ΔE 0.072
Use #187C1A 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.