#18AA6C
Closest named color: Seaweed Green (#35AD6B). oklch(65.2% 0.147 157.9), rgb(24, 170, 108).
Aa
Black text reads best on this color (7.00:1).
About this color
#18AA6C is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.147 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.016 away. Black text reads best on it, at 7.00:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.00:1 |
| White text | 2.99:1 |
Values
| HEX | #18AA6C |
| RGB | rgb(24, 170, 108) |
| HSL | hsl(155, 75%, 38%) |
| OKLCH | oklch(65.2% 0.147 157.9) |
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 #18AA6C | 2.99:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #18AA6C | 7.00:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #18AA6C text on white | 2.99:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #18AA6C text on black | 7.00:1 | AAA | Lc -45.7 | 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 500.
-
Step 50
50
#F0F7F3
oklch(97% 0.009 161.4)
-
Step 100
100
#DFEEE5
oklch(93.5% 0.02 159.7)
-
Step 200
200
#C4E2CF
oklch(88.6% 0.041 157.7)
-
Step 300
300
#9ACFAF
oklch(80.9% 0.071 157.9)
-
Step 400
400
#5AB685
oklch(70.6% 0.115 158.2)
-
Step 500
500 (this color)
#18AA6C
oklch(65.2% 0.147 157.9)
-
Step 600
600
#008955
oklch(55.5% 0.129 158.2)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#022F1B
oklch(27% 0.06 158.6)
#18AA6C 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) | #A89C68 | 0.135 |
| Deuteranopia (no green cones) | #989070 | 0.132 |
| Tritanopia (no blue cones) | #00A99A | 0.067 |
| Achromatopsia (no color) | #959595 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18AA6C
#18AA6C
oklch(65.2% 0.147 157.9)
- #C869AF
#C869AF
oklch(65.3% 0.147 338)
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 #18AA6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.016
- Jade #1FA774 ΔE 0.016
- Jade Green #2BAF6A ΔE 0.018
- Bluey Green #2BB179 ΔE 0.026
- Dark Seafoam Green #3EAF76 ΔE 0.027
- Green Teal #0CB577 ΔE 0.031
- Medium Sea Green #3CB371 ΔE 0.033
- Algae #54AC68 ΔE 0.033
Use #18AA6C 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.