#18B366
Closest named color: Jade Green (#2BAF6A). oklch(67.5% 0.164 154.2), rgb(24, 179, 102).
Aa
Black text reads best on this color (7.67:1).
About this color
#18B366 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.164 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade Green (#2BAF6A), ΔE 0.015 away. Black text reads best on it, at 7.67:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Jade Green (#2BAF6A) |
| Black text | 7.67:1 |
| White text | 2.73:1 |
Values
| HEX | #18B366 |
| RGB | rgb(24, 179, 102) |
| HSL | hsl(150, 76%, 40%) |
| OKLCH | oklch(67.5% 0.164 154.2) |
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 #18B366 | 2.73:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #18B366 | 7.67:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #18B366 text on white | 2.73:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #18B366 text on black | 7.67:1 | AAA | Lc -49.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DBF0E1
oklch(93.6% 0.03 154.7)
-
Step 200
200
#BDE5C8
oklch(88.5% 0.058 153.6)
-
Step 300
300
#8AD4A3
oklch(80.8% 0.102 154.5)
-
Step 400
400 (this color)
#18B366
oklch(67.5% 0.164 154.2)
-
Step 500
500
#00A45B
oklch(63.1% 0.158 154.2)
-
Step 600
600
#008A4C
oklch(55.6% 0.139 154.3)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#005F32
oklch(42.6% 0.107 154.1)
-
Step 900
900
#005029
oklch(37.8% 0.096 153.9)
-
Step 950
950
#003016
oklch(27.1% 0.069 153.7)
#18B366 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) | #B3A360 | 0.145 |
| Deuteranopia (no green cones) | #A2986B | 0.140 |
| Tritanopia (no blue cones) | #00B1A0 | 0.083 |
| Achromatopsia (no color) | #9C9C9C | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18B366
#18B366
oklch(67.5% 0.164 154.2)
- #D26BC0
#D26BC0
oklch(67.5% 0.165 334.2)
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 #18B366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade Green #2BAF6A ΔE 0.015
- Cool Green #33B864 ΔE 0.019
- Green Teal #0CB577 ΔE 0.021
- Medium Sea Green #3CB371 ΔE 0.022
- Seaweed Green #35AD6B ΔE 0.023
- Dark Seafoam #1FB57A ΔE 0.026
- Bluey Green #2BB179 ΔE 0.029
- Medium Green #39AD48 ΔE 0.031
Use #18B366 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.