#18A204
Closest named color: Grassy Green (#419C03). oklch(61.9% 0.206 141.9), rgb(24, 162, 4).
Aa
Black text reads best on this color (6.20:1).
About this color
#18A204 is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.206 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.024 away. Black text reads best on it, at 6.20:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.206) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.20:1 |
| White text | 3.38:1 |
Values
| HEX | #18A204 |
| RGB | rgb(24, 162, 4) |
| HSL | hsl(112, 95%, 33%) |
| OKLCH | oklch(61.9% 0.206 141.9) |
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 #18A204 | 3.38:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #18A204 | 6.20:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #18A204 text on white | 3.38:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #18A204 text on black | 6.20:1 | AA | Lc -41.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#DFEFDD
oklch(93.5% 0.029 142.2)
-
Step 200
200
#C5E3C1
oklch(88.5% 0.056 141.9)
-
Step 300
300
#9BD195
oklch(80.8% 0.1 142.1)
-
Step 400
400
#5FB956
oklch(70.7% 0.161 141.9)
-
Step 500
500 (this color)
#18A204
oklch(61.9% 0.206 141.9)
-
Step 600
600
#118C00
oklch(55.6% 0.187 141.9)
-
Step 700
700
#0C7600
oklch(49.2% 0.165 141.9)
-
Step 800
800
#086100
oklch(42.8% 0.144 141.9)
-
Step 900
900
#065100
oklch(37.8% 0.127 141.8)
-
Step 950
950
#063003
oklch(27% 0.085 141.8)
#18A204 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) | #A69100 | 0.146 |
| Deuteranopia (no green cones) | #988823 | 0.143 |
| Tritanopia (no blue cones) | #009D89 | 0.135 |
| Achromatopsia (no color) | #8C8C8C | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18A204
#18A204
oklch(61.9% 0.206 141.9)
- #BC50CE
#BC50CE
oklch(61.9% 0.206 321.7)
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 #18A204, closest first.
No curated palette has a color within ΔE 0.04 of #18A204.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.024
- Grass Green #3F9B0B ΔE 0.026
- Kelly Green #02AB2E ΔE 0.028
- True Green #089404 ΔE 0.043
- Irish Green #019529 ΔE 0.046
- Leaf Green #5CA904 ΔE 0.051
- Medium Green #39AD48 ΔE 0.053
- Kelley Green #009337 ΔE 0.058
Use #18A204 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.