#18CA93
Closest named color: Greenblue (#23C48B). oklch(74.5% 0.154 164.6), rgb(24, 202, 147).
Aa
Black text reads best on this color (9.90:1).
About this color
#18CA93 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.154 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.017 away. Black text reads best on it, at 9.90:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.90:1 |
| White text | 2.11:1 |
Values
| HEX | #18CA93 |
| RGB | rgb(24, 202, 147) |
| HSL | hsl(161, 79%, 44%) |
| OKLCH | oklch(74.5% 0.154 164.6) |
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 #18CA93 | 2.11:1 | Fails | Lc -45.6 | Large or bold text, headings |
| Black text on #18CA93 | 9.90:1 | AAA | Lc 63.0 | Content text, not long reading |
| #18CA93 text on white | 2.11:1 | Fails | Lc 40.9 | Non-text elements, placeholder text |
| #18CA93 text on black | 9.90:1 | AAA | Lc -61.3 | Content text, not long reading |
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
#EEF8F3
oklch(97% 0.012 164.8)
-
Step 100
100
#DAF0E5
oklch(93.6% 0.027 164.4)
-
Step 200
200
#B9E5D0
oklch(88.5% 0.054 164.6)
-
Step 300
300
#82D5B1
oklch(81% 0.097 164.7)
-
Step 400
400 (this color)
#18CA93
oklch(74.5% 0.154 164.6)
-
Step 500
500
#00A274
oklch(63.1% 0.134 164.5)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E36
oklch(37.5% 0.079 164.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#18CA93 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) | #C6BB90 | 0.151 |
| Deuteranopia (no green cones) | #B2AC97 | 0.147 |
| Tritanopia (no blue cones) | #00CABB | 0.057 |
| Achromatopsia (no color) | #B2B2B2 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18CA93
#18CA93
oklch(74.5% 0.154 164.6)
- #EF81C3
#EF81C3
oklch(74.4% 0.155 344.6)
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 #18CA93, closest first.
No curated palette has a color within ΔE 0.04 of #18CA93.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.017
- Green Blue #01C08D ΔE 0.029
- Emerald #06D6A0 ΔE 0.034
- Dark Mint #48C072 ΔE 0.042
- Seaweed #18D17B ΔE 0.042
- Dark Mint Green #20C073 ΔE 0.043
- Algae Green #21C36F ΔE 0.045
- Soft Green #6FC276 ΔE 0.050
Use #18CA93 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.