#90AFA4
Closest named color: Pewter (#96A8A1). oklch(72.8% 0.037 171.7), rgb(144, 175, 164).
Aa
Black text reads best on this color (8.85:1).
About this color
#90AFA4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 73%, its chroma 0.037 and its hue 172°. 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 8.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.85:1 |
| White text | 2.37:1 |
Values
| HEX | #90AFA4 |
| RGB | rgb(144, 175, 164) |
| HSL | hsl(159, 16%, 63%) |
| OKLCH | oklch(72.8% 0.037 171.7) |
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 #90AFA4 | 2.37:1 | Fails | Lc -51.7 | Large or bold text, headings |
| Black text on #90AFA4 | 8.85:1 | AAA | Lc 57.2 | Large or bold text, headings |
| #90AFA4 text on white | 2.37:1 | Fails | Lc 46.7 | Large or bold text, headings |
| #90AFA4 text on black | 8.85:1 | AAA | Lc -55.3 | 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
#B2C6BF
oklch(80.9% 0.024 172.7)
-
Step 400
400 (this color)
#90AFA4
oklch(72.8% 0.037 171.7)
-
Step 500
500
#6C9386
oklch(63% 0.047 172.2)
-
Step 600
600
#537E70
oklch(55.7% 0.053 171.9)
-
Step 700
700
#436A5D
oklch(49.1% 0.049 171.2)
-
Step 800
800
#38564C
oklch(42.6% 0.039 171.5)
-
Step 900
900
#304740
oklch(37.6% 0.031 173.7)
-
Step 950
950
#1D2A25
oklch(27.1% 0.02 169.2)
#90AFA4 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) | #ADABA4 | 0.039 |
| Deuteranopia (no green cones) | #A7A7A5 | 0.036 |
| Tritanopia (no blue cones) | #89B0AC | 0.013 |
| Achromatopsia (no color) | #A8A8A8 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AFA4
#90AFA4
oklch(72.8% 0.037 171.7)
- #BB9EA9
#BB9EA9
oklch(72.8% 0.037 353.2)
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 #90AFA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.019
- Muted Teal #90B494 ΔE 0.031
- Cool Grey #95A3A6 ΔE 0.035
- Cool Steel #97A7B3 ΔE 0.038
- Dark Gray #A9A9A9 ΔE 0.038
- Cement #A5A391 ΔE 0.040
- Bluegrey #85A3B2 ΔE 0.048
- Bland #AFA88B ΔE 0.048
Use #90AFA4 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.