#798E91
Closest named color: Light Slate Gray (#778899). oklch(63.1% 0.024 207), rgb(121, 142, 145).
Aa
Black text reads best on this color (6.09:1).
About this color
#798E91 is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.025 away. Black text reads best on it, at 6.09:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #798E91 |
| RGB | rgb(121, 142, 145) |
| HSL | hsl(187, 10%, 52%) |
| OKLCH | oklch(63.1% 0.024 207) |
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 #798E91 | 3.44:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #798E91 | 6.09:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #798E91 text on white | 3.44:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #798E91 text on black | 6.09:1 | AA | Lc -39.7 | 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
#94A4A7
oklch(70.7% 0.019 210.2)
-
Step 500
500 (this color)
#798E91
oklch(63.1% 0.024 207)
-
Step 600
600
#62787B
oklch(55.6% 0.026 206.6)
-
Step 700
700
#516568
oklch(49.1% 0.025 207.6)
-
Step 800
800
#425255
oklch(42.6% 0.021 210.3)
-
Step 900
900
#384446
oklch(37.7% 0.016 208.8)
-
Step 950
950
#212829
oklch(27% 0.01 207.1)
#798E91 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) | #8A8C91 | 0.024 |
| Deuteranopia (no green cones) | #868991 | 0.022 |
| Tritanopia (no blue cones) | #72908F | 0.011 |
| Achromatopsia (no color) | #8A8A8A | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #798E91
#798E91
oklch(63.1% 0.024 207)
- #988482
#988482
oklch(63.1% 0.025 24.6)
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 #798E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.025
- Blue Grey #758DA3 ΔE 0.029
- Steel #738595 ΔE 0.031
- Silver Lake Blue #778DA9 ΔE 0.038
- Steel Grey #6F828A ΔE 0.038
- Gray #808080 ΔE 0.040
- Warm Grey #978A84 ΔE 0.044
- Slate Gray #708090 ΔE 0.044
Use #798E91 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.