#18AA8D
Closest named color: Jade (#1FA774). oklch(66.1% 0.121 174.2), rgb(24, 170, 141).
Aa
Black text reads best on this color (7.17:1).
About this color
#18AA8D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.121 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.034 away. Black text reads best on it, at 7.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Jade (#1FA774) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #18AA8D |
| RGB | rgb(24, 170, 141) |
| HSL | hsl(168, 75%, 38%) |
| OKLCH | oklch(66.1% 0.121 174.2) |
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 #18AA8D | 2.92:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #18AA8D | 7.17:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #18AA8D text on white | 2.92:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #18AA8D text on black | 7.17:1 | AAA | Lc -46.6 | 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 500.
-
Step 50
50
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C4E1D7
oklch(88.6% 0.034 172.7)
-
Step 300
300
#99CEBE
oklch(81% 0.06 174.2)
-
Step 400
400
#59B49C
oklch(70.7% 0.095 174)
-
Step 500
500 (this color)
#18AA8D
oklch(66.1% 0.121 174.2)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#012E25
oklch(26.9% 0.05 175.4)
#18AA8D 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) | #A49E8C | 0.127 |
| Deuteranopia (no green cones) | #92928F | 0.120 |
| Tritanopia (no blue cones) | #00ACA2 | 0.030 |
| Achromatopsia (no color) | #979797 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18AA8D
#18AA8D
oklch(66.1% 0.121 174.2)
- #CB7197
#CB7197
oklch(66% 0.121 354.2)
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 #18AA8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.034
- Greeny Blue #42B395 ΔE 0.036
- Persian Green #2A9D8F ΔE 0.040
- Bluey Green #2BB179 ΔE 0.040
- Dark Seafoam Green #3EAF76 ΔE 0.041
- Light Sea Green #20B2AA ΔE 0.044
- Blue Green #0F9B8E ΔE 0.047
- Dark Seafoam #1FB57A ΔE 0.049
Use #18AA8D 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.