#18AC8B
Closest named color: Jade (#1FA774). oklch(66.5% 0.125 172), rgb(24, 172, 139).
Aa
Black text reads best on this color (7.31:1).
About this color
#18AC8B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.125 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.031 away. Black text reads best on it, at 7.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Jade (#1FA774) |
| Black text | 7.31:1 |
| White text | 2.87:1 |
Values
| HEX | #18AC8B |
| RGB | rgb(24, 172, 139) |
| HSL | hsl(167, 76%, 38%) |
| OKLCH | oklch(66.5% 0.125 172) |
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 #18AC8B | 2.87:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #18AC8B | 7.31:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #18AC8B text on white | 2.87:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #18AC8B text on black | 7.31:1 | AAA | Lc -47.4 | 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
#DFEEE8
oklch(93.6% 0.018 170.1)
-
Step 200
200
#C4E1D6
oklch(88.5% 0.034 170.7)
-
Step 300
300
#99CEBC
oklch(80.9% 0.061 171.8)
-
Step 400
400
#58B49A
oklch(70.6% 0.097 172.6)
-
Step 500
500 (this color)
#18AC8B
oklch(66.5% 0.125 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#012E24
oklch(26.9% 0.051 173.5)
#18AC8B 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) | #A6A089 | 0.128 |
| Deuteranopia (no green cones) | #95938D | 0.124 |
| Tritanopia (no blue cones) | #00AEA2 | 0.032 |
| Achromatopsia (no color) | #989898 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18AC8B
#18AC8B
oklch(66.5% 0.125 172)
- #CD729C
#CD729C
oklch(66.6% 0.124 351.9)
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 #18AC8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.031
- Greeny Blue #42B395 ΔE 0.032
- Bluey Green #2BB179 ΔE 0.033
- Dark Seafoam Green #3EAF76 ΔE 0.035
- Dark Seafoam #1FB57A ΔE 0.041
- Seaweed Green #35AD6B ΔE 0.045
- Green Teal #0CB577 ΔE 0.045
- Light Sea Green #20B2AA ΔE 0.045
Use #18AC8B 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.