#18B85B
Closest named color: Cool Green (#33B864). oklch(68.7% 0.181 150.7), rgb(24, 184, 91).
Aa
Black text reads best on this color (8.04:1).
About this color
#18B85B is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.181 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.016 away. Black text reads best on it, at 8.04:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.04:1 |
| White text | 2.60:1 |
Values
| HEX | #18B85B |
| RGB | rgb(24, 184, 91) |
| HSL | hsl(145, 77%, 41%) |
| OKLCH | oklch(68.7% 0.181 150.7) |
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 #18B85B | 2.60:1 | Fails | Lc -55.5 | Large or bold text, headings |
| Black text on #18B85B | 8.04:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #18B85B text on white | 2.60:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #18B85B text on black | 8.04:1 | AAA | Lc -51.6 | 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
#EFF9F0
oklch(97.2% 0.016 148.4)
-
Step 100
100
#DBF0DF
oklch(93.5% 0.032 151.2)
-
Step 200
200
#BCE6C4
oklch(88.6% 0.064 150.6)
-
Step 300
300
#89D59B
oklch(80.8% 0.112 150.8)
-
Step 400
400 (this color)
#18B85B
oklch(68.7% 0.181 150.7)
-
Step 500
500
#00A54E
oklch(63.1% 0.171 150.6)
-
Step 600
600
#008B41
oklch(55.7% 0.151 150.7)
-
Step 700
700
#007535
oklch(49.2% 0.134 150.5)
-
Step 800
800
#00602B
oklch(42.8% 0.116 150.8)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#003012
oklch(27% 0.073 150.7)
#18B85B 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) | #B9A753 | 0.150 |
| Deuteranopia (no green cones) | #A89B62 | 0.149 |
| Tritanopia (no blue cones) | #00B5A2 | 0.098 |
| Achromatopsia (no color) | #A0A0A0 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18B85B
#18B85B
oklch(68.7% 0.181 150.7)
- #D76ACD
#D76ACD
oklch(68.6% 0.181 330.9)
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 #18B85B, closest first.
No curated palette has a color within ΔE 0.04 of #18B85B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.016
- Shamrock #01B44C ΔE 0.019
- Medium Green #39AD48 ΔE 0.031
- Dark Mint Green #20C073 ΔE 0.033
- Shamrock Green #02C14D ΔE 0.033
- Leafy Green #51B73B ΔE 0.034
- Algae Green #21C36F ΔE 0.035
- Jade Green #2BAF6A ΔE 0.037
Use #18B85B 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.