#18A53E
Closest named color: Kelly Green (#02AB2E). oklch(63.1% 0.182 146.7), rgb(24, 165, 62).
Aa
Black text reads best on this color (6.49:1).
About this color
#18A53E is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.182 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.025 away. Black text reads best on it, at 6.49:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.182) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.49:1 |
| White text | 3.23:1 |
Values
| HEX | #18A53E |
| RGB | rgb(24, 165, 62) |
| HSL | hsl(136, 75%, 37%) |
| OKLCH | oklch(63.1% 0.182 146.7) |
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 #18A53E | 3.23:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #18A53E | 6.49:1 | AA | Lc 45.0 | Large or bold text, headings |
| #18A53E text on white | 3.23:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #18A53E text on black | 6.49:1 | AA | Lc -42.7 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C5E3C6
oklch(88.6% 0.05 146)
-
Step 300
300
#9BD19F
oklch(81% 0.089 146.6)
-
Step 400
400
#5EB869
oklch(70.7% 0.143 146.5)
-
Step 500
500 (this color)
#18A53E
oklch(63.1% 0.182 146.7)
-
Step 600
600
#008C2F
oklch(55.7% 0.167 146.6)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#005018
oklch(37.6% 0.112 146.9)
-
Step 950
950
#04300E
oklch(27.1% 0.075 147)
#18A53E 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) | #A79533 | 0.140 |
| Deuteranopia (no green cones) | #988B47 | 0.139 |
| Tritanopia (no blue cones) | #00A18F | 0.109 |
| Achromatopsia (no color) | #8F8F8F | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18A53E
#18A53E
oklch(63.1% 0.182 146.7)
- #C05AC2
#C05AC2
oklch(63% 0.182 326.7)
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 #18A53E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.025
- Medium Green #39AD48 ΔE 0.031
- Grassy Green #419C03 ΔE 0.035
- Grass Green #3F9B0B ΔE 0.035
- Mid Green #50A747 ΔE 0.035
- Shamrock #01B44C ΔE 0.042
- Irish Green #019529 ΔE 0.049
- Leaf Green #5CA904 ΔE 0.049
Use #18A53E 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.