#18A615
Closest named color: Kelly Green (#02AB2E). oklch(63.1% 0.206 142.5), rgb(24, 166, 21).
Aa
Black text reads best on this color (6.50:1).
About this color
#18A615 is a medium-light, vivid green. In OKLCH its lightness is 63%, 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 Kelly Green (#02AB2E), ΔE 0.017 away. Black text reads best on it, at 6.50:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.206) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.50:1 |
| White text | 3.22:1 |
Values
| HEX | #18A615 |
| RGB | rgb(24, 166, 21) |
| HSL | hsl(119, 78%, 37%) |
| OKLCH | oklch(63.1% 0.206 142.5) |
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 #18A615 | 3.22:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #18A615 | 6.50:1 | AA | Lc 45.2 | Large or bold text, headings |
| #18A615 text on white | 3.22:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #18A615 text on black | 6.50:1 | AA | Lc -42.9 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
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
#9BD295
oklch(81% 0.102 142.2)
-
Step 400
400
#5DB957
oklch(70.7% 0.162 142.5)
-
Step 500
500 (this color)
#18A615
oklch(63.1% 0.206 142.5)
-
Step 600
600
#008C00
oklch(55.5% 0.189 142.5)
-
Step 700
700
#007600
oklch(49% 0.167 142.5)
-
Step 800
800
#006100
oklch(42.7% 0.145 142.5)
-
Step 900
900
#005100
oklch(37.7% 0.128 142.5)
-
Step 950
950
#043004
oklch(27% 0.085 142.8)
#18A615 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) | #AA9500 | 0.147 |
| Deuteranopia (no green cones) | #9B8B2A | 0.145 |
| Tritanopia (no blue cones) | #00A18D | 0.134 |
| Achromatopsia (no color) | #8F8F8F | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18A615
#18A615
oklch(63.1% 0.206 142.5)
- #C153D1
#C153D1
oklch(63.1% 0.207 322.4)
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 #18A615, closest first.
No curated palette has a color within ΔE 0.04 of #18A615.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.017
- Grassy Green #419C03 ΔE 0.031
- Grass Green #3F9B0B ΔE 0.033
- Leaf Green #5CA904 ΔE 0.043
- Medium Green #39AD48 ΔE 0.044
- Shamrock #01B44C ΔE 0.049
- Grass #5CAC2D ΔE 0.051
- Mid Green #50A747 ΔE 0.053
Use #18A615 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.