#778E90
Closest named color: Light Slate Gray (#778899). oklch(62.9% 0.026 203), rgb(119, 142, 144).
Aa
Black text reads best on this color (6.05:1).
About this color
#778E90 is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.026 away. Black text reads best on it, at 6.05:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 6.05:1 |
| White text | 3.46:1 |
Values
| HEX | #778E90 |
| RGB | rgb(119, 142, 144) |
| HSL | hsl(185, 10%, 52%) |
| OKLCH | oklch(62.9% 0.026 203) |
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 #778E90 | 3.46:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #778E90 | 6.05:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #778E90 text on white | 3.46:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #778E90 text on black | 6.05:1 | AA | Lc -39.5 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEB
oklch(93.5% 0.004 219.5)
-
Step 200
200
#D4DADB
oklch(88.4% 0.007 208.8)
-
Step 300
300
#B8C3C4
oklch(80.9% 0.012 203.4)
-
Step 400
400
#92A5A6
oklch(70.7% 0.021 200.5)
-
Step 500
500 (this color)
#778E90
oklch(62.9% 0.026 203)
-
Step 600
600
#60797B
oklch(55.7% 0.029 202.4)
-
Step 700
700
#4F6567
oklch(49% 0.027 203.2)
-
Step 800
800
#415354
oklch(42.7% 0.022 200.5)
-
Step 900
900
#374446
oklch(37.6% 0.017 207.8)
-
Step 950
950
#202829
oklch(27% 0.011 205.8)
#778E90 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) | #8A8C90 | 0.026 |
| Deuteranopia (no green cones) | #868890 | 0.025 |
| Tritanopia (no blue cones) | #70908F | 0.011 |
| Achromatopsia (no color) | #8A8A8A | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #778E90
#778E90
oklch(62.9% 0.026 203)
- #998381
#998381
oklch(63% 0.027 24.1)
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 #778E90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.026
- Blue Grey #758DA3 ΔE 0.030
- Steel #738595 ΔE 0.031
- Steel Grey #6F828A ΔE 0.037
- Silver Lake Blue #778DA9 ΔE 0.039
- Gray #808080 ΔE 0.040
- Slate Gray #708090 ΔE 0.043
- Medium Grey #7D7F7C ΔE 0.043
Use #778E90 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.