#90AFA7
Closest named color: Pewter (#96A8A1). oklch(72.8% 0.036 177.9), rgb(144, 175, 167).
Aa
Black text reads best on this color (8.87:1).
About this color
#90AFA7 is a medium-light, muted teal or cyan. In OKLCH its lightness is 73%, its chroma 0.036 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Pewter (#96A8A1), ΔE 0.019 away. Black text reads best on it, at 8.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.87:1 |
| White text | 2.36:1 |
Values
| HEX | #90AFA7 |
| RGB | rgb(144, 175, 167) |
| HSL | hsl(165, 16%, 63%) |
| OKLCH | oklch(72.8% 0.036 177.9) |
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 #90AFA7 | 2.36:1 | Fails | Lc -51.6 | Large or bold text, headings |
| Black text on #90AFA7 | 8.87:1 | AAA | Lc 57.4 | Large or bold text, headings |
| #90AFA7 text on white | 2.36:1 | Fails | Lc 46.6 | Large or bold text, headings |
| #90AFA7 text on black | 8.87:1 | AAA | Lc -55.4 | 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 400.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D1DCD9
oklch(88.5% 0.013 178)
-
Step 300
300
#B2C6C0
oklch(81% 0.023 175.8)
-
Step 400
400 (this color)
#90AFA7
oklch(72.8% 0.036 177.9)
-
Step 500
500
#6C9389
oklch(63.1% 0.046 177.2)
-
Step 600
600
#537D73
oklch(55.6% 0.049 177.8)
-
Step 700
700
#436A61
oklch(49.2% 0.047 178.1)
-
Step 800
800
#37564F
oklch(42.7% 0.039 178.6)
-
Step 900
900
#304741
oklch(37.7% 0.03 176.6)
-
Step 950
950
#1C2A26
oklch(27.1% 0.02 175.1)
#90AFA7 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) | #ACABA7 | 0.038 |
| Deuteranopia (no green cones) | #A6A7A8 | 0.035 |
| Tritanopia (no blue cones) | #88B0AC | 0.011 |
| Achromatopsia (no color) | #A8A8A8 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AFA7
#90AFA7
oklch(72.8% 0.036 177.9)
- #BB9EA7
#BB9EA7
oklch(72.8% 0.036 357.4)
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 #90AFA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.019
- Cool Grey #95A3A6 ΔE 0.033
- Cool Steel #97A7B3 ΔE 0.034
- Muted Teal #90B494 ΔE 0.035
- Dark Gray #A9A9A9 ΔE 0.036
- Cement #A5A391 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.050
Use #90AFA7 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.