#90AEA4
Closest named color: Pewter (#96A8A1). oklch(72.5% 0.036 173.1), rgb(144, 174, 164).
Aa
Black text reads best on this color (8.77:1).
About this color
#90AEA4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 73%, its chroma 0.036 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Pewter (#96A8A1), ΔE 0.017 away. Black text reads best on it, at 8.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.77:1 |
| White text | 2.39:1 |
Values
| HEX | #90AEA4 |
| RGB | rgb(144, 174, 164) |
| HSL | hsl(160, 16%, 62%) |
| OKLCH | oklch(72.5% 0.036 173.1) |
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 #90AEA4 | 2.39:1 | Fails | Lc -52.1 | Large or bold text, headings |
| Black text on #90AEA4 | 8.77:1 | AAA | Lc 56.8 | Large or bold text, headings |
| #90AEA4 text on white | 2.39:1 | Fails | Lc 47.1 | Large or bold text, headings |
| #90AEA4 text on black | 8.77:1 | AAA | Lc -54.9 | 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 400.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B3C6BF
oklch(81% 0.023 171.6)
-
Step 400
400 (this color)
#90AEA4
oklch(72.5% 0.036 173.1)
-
Step 500
500
#6D9387
oklch(63.1% 0.046 173.3)
-
Step 600
600
#547D70
oklch(55.5% 0.05 172.6)
-
Step 700
700
#446A5E
oklch(49.2% 0.048 172.4)
-
Step 800
800
#39564D
oklch(42.7% 0.038 173.1)
-
Step 900
900
#314740
oklch(37.7% 0.03 172.9)
-
Step 950
950
#1D2A25
oklch(27.1% 0.02 169.2)
#90AEA4 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) | #ACAAA4 | 0.038 |
| Deuteranopia (no green cones) | #A6A6A5 | 0.035 |
| Tritanopia (no blue cones) | #89AFAB | 0.012 |
| Achromatopsia (no color) | #A7A7A7 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AEA4
#90AEA4
oklch(72.5% 0.036 173.1)
- #B99DA8
#B99DA8
oklch(72.4% 0.036 352.4)
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 #90AEA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.017
- Cool Grey #95A3A6 ΔE 0.032
- Muted Teal #90B494 ΔE 0.033
- Cool Steel #97A7B3 ΔE 0.035
- Dark Gray #A9A9A9 ΔE 0.037
- Cement #A5A391 ΔE 0.039
- Bluegrey #85A3B2 ΔE 0.045
- Bland #AFA88B ΔE 0.048
Use #90AEA4 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.