#90A39B
Closest named color: Pewter (#96A8A1). oklch(69.8% 0.024 168.4), rgb(144, 163, 155).
Aa
Black text reads best on this color (7.89:1).
About this color
#90A39B is a medium-light close to neutral grey. In OKLCH its lightness is 70%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Pewter (#96A8A1), ΔE 0.017 away. Black text reads best on it, at 7.89:1.
| Hue family | Neutrals |
| Lightness | medium-light (70%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Pewter (#96A8A1) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #90A39B |
| RGB | rgb(144, 163, 155) |
| HSL | hsl(155, 9%, 60%) |
| OKLCH | oklch(69.8% 0.024 168.4) |
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 #90A39B | 2.65:1 | Fails | Lc -56.9 | Large or bold text, headings |
| Black text on #90A39B | 7.89:1 | AAA | Lc 52.3 | Large or bold text, headings |
| #90A39B text on white | 2.65:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #90A39B text on black | 7.89:1 | AAA | Lc -50.1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD8
oklch(88.5% 0.009 168.7)
-
Step 300
300
#B8C4BF
oklch(81% 0.015 169.1)
-
Step 400
400 (this color)
#90A39B
oklch(69.8% 0.024 168.4)
-
Step 500
500
#789086
oklch(63.2% 0.031 168.2)
-
Step 600
600
#607A70
oklch(55.6% 0.034 169.6)
-
Step 700
700
#50675D
oklch(49.2% 0.032 166.7)
-
Step 800
800
#41544C
oklch(42.7% 0.027 167.5)
-
Step 900
900
#374540
oklch(37.6% 0.02 171.5)
-
Step 950
950
#212925
oklch(27.2% 0.013 163.8)
#90A39B 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) | #A2A09B | 0.025 |
| Deuteranopia (no green cones) | #9E9E9B | 0.023 |
| Tritanopia (no blue cones) | #8CA3A1 | 0.010 |
| Achromatopsia (no color) | #9F9F9F | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A39B
#90A39B
oklch(69.8% 0.024 168.4)
- #AA98A0
#AA98A0
oklch(69.8% 0.024 349)
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 #90A39B, 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 0.018
- Cement #A5A391 ΔE 0.031
- Bluegrey #85A3B2 ΔE 0.035
- Bluey Grey #89A0B0 ΔE 0.035
- Cool Steel #97A7B3 ΔE 0.036
- Dark Gray #A9A9A9 ΔE 0.044
- Grey Green #86A17D ΔE 0.045
Use #90A39B 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.