#18B750
Closest named color: Shamrock (#01B44C). oklch(68.2% 0.189 148.5), rgb(24, 183, 80).
Aa
Black text reads best on this color (7.92:1).
About this color
#18B750 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.189 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.011 away. Black text reads best on it, at 7.92:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.92:1 |
| White text | 2.64:1 |
Values
| HEX | #18B750 |
| RGB | rgb(24, 183, 80) |
| HSL | hsl(141, 77%, 41%) |
| OKLCH | oklch(68.2% 0.189 148.5) |
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 #18B750 | 2.64:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #18B750 | 7.92:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #18B750 text on white | 2.64:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #18B750 text on black | 7.92:1 | AAA | Lc -51.0 | 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
#DBF1DE
oklch(93.7% 0.034 149.3)
-
Step 200
200
#BCE6C2
oklch(88.5% 0.066 149)
-
Step 300
300
#89D696
oklch(80.9% 0.118 148.6)
-
Step 400
400 (this color)
#18B750
oklch(68.2% 0.189 148.5)
-
Step 500
500
#00A544
oklch(63% 0.18 148.5)
-
Step 600
600
#008B38
oklch(55.6% 0.159 148.5)
-
Step 700
700
#00752E
oklch(49.1% 0.14 148.5)
-
Step 800
800
#006025
oklch(42.7% 0.121 148.7)
-
Step 900
900
#00501D
oklch(37.6% 0.108 148.5)
-
Step 950
950
#00300F
oklch(27% 0.076 148.8)
#18B750 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) | #B9A646 | 0.151 |
| Deuteranopia (no green cones) | #A89A58 | 0.150 |
| Tritanopia (no blue cones) | #00B3A0 | 0.109 |
| Achromatopsia (no color) | #9F9F9F | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18B750
#18B750
oklch(68.2% 0.189 148.5)
- #D567D2
#D567D2
oklch(68.2% 0.189 328.4)
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 #18B750, closest first.
No curated palette has a color within ΔE 0.04 of #18B750.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.011
- Cool Green #33B864 ΔE 0.026
- Medium Green #39AD48 ΔE 0.028
- Leafy Green #51B73B ΔE 0.029
- Shamrock Green #02C14D ΔE 0.030
- Dark Pastel Green #56AE57 ΔE 0.042
- Kelly Green #02AB2E ΔE 0.042
- Grass #5CAC2D ΔE 0.043
Use #18B750 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.