#909387
Closest named color: Warm Grey (#978A84). oklch(65.7% 0.018 118.3), rgb(144, 147, 135).
Aa
Black text reads best on this color (6.70:1).
About this color
#909387 is a medium-light close to neutral grey. In OKLCH its lightness is 66%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Warm Grey (#978A84), ΔE 0.025 away. Black text reads best on it, at 6.70:1.
| Hue family | Neutrals |
| Lightness | medium-light (66%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Warm Grey (#978A84) |
| Black text | 6.70:1 |
| White text | 3.13:1 |
Values
| HEX | #909387 |
| RGB | rgb(144, 147, 135) |
| HSL | hsl(75, 5%, 55%) |
| OKLCH | oklch(65.7% 0.018 118.3) |
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 #909387 | 3.13:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #909387 | 6.70:1 | AA | Lc 45.7 | Large or bold text, headings |
| #909387 text on white | 3.13:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #909387 text on black | 6.70:1 | AA | Lc -43.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F5F5F5
oklch(97% 0 0)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D9D9D6
oklch(88.4% 0.004 106.5)
-
Step 300
300
#C0C1BB
oklch(80.8% 0.008 114.3)
-
Step 400
400
#9FA298
oklch(70.7% 0.015 120.4)
-
Step 500
500 (this color)
#909387
oklch(65.7% 0.018 118.3)
-
Step 600
600
#727568
oklch(55.6% 0.02 117.6)
-
Step 700
700
#5F6257
oklch(49% 0.018 119.5)
-
Step 800
800
#4E5047
oklch(42.7% 0.015 117.2)
-
Step 900
900
#41423C
oklch(37.6% 0.01 114.6)
-
Step 950
950
#262723
oklch(27% 0.007 118.3)
#909387 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) | #959286 | 0.007 |
| Deuteranopia (no green cones) | #949287 | 0.006 |
| Tritanopia (no blue cones) | #91928F | 0.013 |
| Achromatopsia (no color) | #929292 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #909387
#909387
oklch(65.7% 0.018 118.3)
- #928F9B
#928F9B
oklch(65.6% 0.018 297.3)
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 #909387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Grey #978A84 ΔE 0.025
- Grey Green #86A17D ΔE 0.049
- Brown Grey #8D8468 ΔE 0.051
- Green Grey #77926F ΔE 0.052
- Greeny Grey #7EA07A ΔE 0.053
- English Lavender #9D8189 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.054
- Cool Gray #8D99AE ΔE 0.055
Use #909387 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.