#187F1B
Closest named color: Tree Green (#2A7E19). oklch(52.1% 0.162 143.1), rgb(24, 127, 27).
Aa
White text reads best on this color (5.13:1).
About this color
#187F1B is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.162 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 0.009 away. White text reads best on it, at 5.13:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.09:1 |
| White text | 5.13:1 |
Values
| HEX | #187F1B |
| RGB | rgb(24, 127, 27) |
| HSL | hsl(122, 68%, 30%) |
| OKLCH | oklch(52.1% 0.162 143.1) |
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 #187F1B | 5.13:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #187F1B | 4.09:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #187F1B text on white | 5.13:1 | AA | Lc 74.8 | Content text, not long reading |
| #187F1B text on black | 4.09:1 | AA large text | Lc -26.9 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C9E1C7
oklch(88.5% 0.043 143.1)
-
Step 300
300
#A3CEA0
oklch(80.8% 0.078 143.1)
-
Step 400
400
#6FB46C
oklch(70.6% 0.124 143.2)
-
Step 500
500
#43A142
oklch(63.1% 0.16 143.2)
-
Step 600
600
#198B1D
oklch(55.6% 0.174 143.1)
-
Step 700
700 (this color)
#187F1B
oklch(52.1% 0.162 143.1)
-
Step 800
800
#0E6011
oklch(42.7% 0.134 143.1)
-
Step 900
900
#174F17
oklch(37.8% 0.104 143.2)
-
Step 950
950
#0F2E0F
oklch(26.9% 0.066 143.5)
#187F1B 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) | #827204 | 0.116 |
| Deuteranopia (no green cones) | #776B26 | 0.115 |
| Tritanopia (no blue cones) | #007B6C | 0.104 |
| Achromatopsia (no color) | #6E6E6E | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187F1B
#187F1B
oklch(52.1% 0.162 143.1)
- #94419E
#94419E
oklch(52.1% 0.163 323.2)
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 #187F1B, closest first.
No curated palette has a color within ΔE 0.04 of #187F1B.
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 0.015
- Dark Grass Green #388004 ΔE 0.020
- Jungle Green #048243 ΔE 0.037
- Forest Green #228B22 ΔE 0.037
- Emerald Green #028F1E ΔE 0.048
- Kelley Green #009337 ΔE 0.059
- Irish Green #019529 ΔE 0.065
Use #187F1B 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.