#90A8A6
Closest named color: Pewter (#96A8A1). oklch(71.3% 0.027 190.4), rgb(144, 168, 166).
Aa
Black text reads best on this color (8.33:1).
About this color
#90A8A6 is a medium-light close to neutral grey. In OKLCH its lightness is 71%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Pewter (#96A8A1), ΔE 0.010 away. Black text reads best on it, at 8.33:1.
| Hue family | Neutrals |
| Lightness | medium-light (71%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Pewter (#96A8A1) |
| Black text | 8.33:1 |
| White text | 2.51:1 |
Values
| HEX | #90A8A6 |
| RGB | rgb(144, 168, 166) |
| HSL | hsl(175, 12%, 61%) |
| OKLCH | oklch(71.3% 0.027 190.4) |
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 #90A8A6 | 2.51:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #90A8A6 | 8.33:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #90A8A6 text on white | 2.51:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #90A8A6 text on black | 8.33:1 | AAA | Lc -52.5 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B5C4C3
oklch(80.9% 0.017 192)
-
Step 400
400 (this color)
#90A8A6
oklch(71.3% 0.027 190.4)
-
Step 500
500
#72908E
oklch(63% 0.034 191.3)
-
Step 600
600
#5A7B78
oklch(55.7% 0.038 189.1)
-
Step 700
700
#4A6765
oklch(49% 0.034 190.8)
-
Step 800
800
#3D5452
oklch(42.6% 0.028 189.5)
-
Step 900
900
#344644
oklch(37.8% 0.023 187.8)
-
Step 950
950
#1F2928
oklch(27.1% 0.014 188.9)
#90A8A6 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) | #A5A5A6 | 0.029 |
| Deuteranopia (no green cones) | #A0A2A6 | 0.026 |
| Tritanopia (no blue cones) | #89A9A7 | 0.009 |
| Achromatopsia (no color) | #A3A3A3 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A8A6
#90A8A6
oklch(71.3% 0.027 190.4)
- #B29C9E
#B29C9E
oklch(71.3% 0.026 11.5)
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 #90A8A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.010
- Cool Grey #95A3A6 ΔE 0.015
- Cool Steel #97A7B3 ΔE 0.023
- Bluegrey #85A3B2 ΔE 0.029
- Bluey Grey #89A0B0 ΔE 0.033
- Dark Gray #A9A9A9 ΔE 0.035
- Cement #A5A391 ΔE 0.037
- Greyblue #77A1B5 ΔE 0.046
Use #90A8A6 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.