#18CD84
Closest named color: Seaweed (#18D17B). oklch(74.9% 0.17 158.4), rgb(24, 205, 132).
Aa
Black text reads best on this color (10.10:1).
About this color
#18CD84 is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.170 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.019 away. Black text reads best on it, at 10.10:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.10:1 |
| White text | 2.07:1 |
Values
| HEX | #18CD84 |
| RGB | rgb(24, 205, 132) |
| HSL | hsl(156, 79%, 45%) |
| OKLCH | oklch(74.9% 0.17 158.4) |
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 #18CD84 | 2.07:1 | Fails | Lc -44.5 | Non-text elements, placeholder text |
| Black text on #18CD84 | 10.10:1 | AAA | Lc 63.9 | Content text, not long reading |
| #18CD84 text on white | 2.07:1 | Fails | Lc 40.0 | Non-text elements, placeholder text |
| #18CD84 text on black | 10.10:1 | AAA | Lc -62.3 | 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
#EEF9F2
oklch(97.2% 0.015 158.3)
-
Step 100
100
#DAF1E2
oklch(93.7% 0.031 157.2)
-
Step 200
200
#B9E6CB
oklch(88.6% 0.06 158.6)
-
Step 300
300
#82D6A7
oklch(81% 0.106 158.4)
-
Step 400
400 (this color)
#18CD84
oklch(74.9% 0.17 158.4)
-
Step 500
500
#00A367
oklch(63% 0.146 158.5)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007347
oklch(48.9% 0.114 158.4)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#18CD84 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) | #CBBC7F | 0.157 |
| Deuteranopia (no green cones) | #B7AE89 | 0.153 |
| Tritanopia (no blue cones) | #00CCBA | 0.076 |
| Achromatopsia (no color) | #B4B4B4 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18CD84
#18CD84
oklch(74.9% 0.17 158.4)
- #F17FD2
#F17FD2
oklch(75% 0.17 338.4)
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 #18CD84, closest first.
No curated palette has a color within ΔE 0.04 of #18CD84.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.019
- Greenblue #23C48B ΔE 0.030
- Algae Green #21C36F ΔE 0.033
- Dark Mint #48C072 ΔE 0.037
- Dark Mint Green #20C073 ΔE 0.038
- Emerald #06D6A0 ΔE 0.038
- Green Blue #01C08D ΔE 0.044
- Soft Green #6FC276 ΔE 0.049
Use #18CD84 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.