#839599
Closest named color: Cool Gray (#8D99AE). oklch(65.7% 0.021 212.6), rgb(131, 149, 153).
Aa
Black text reads best on this color (6.72:1).
About this color
#839599 is a medium-light close to neutral grey. In OKLCH its lightness is 66%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Cool Gray (#8D99AE), ΔE 0.035 away. Black text reads best on it, at 6.72:1.
| Hue family | Neutrals |
| Lightness | medium-light (66%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.72:1 |
| White text | 3.12:1 |
Values
| HEX | #839599 |
| RGB | rgb(131, 149, 153) |
| HSL | hsl(191, 10%, 56%) |
| OKLCH | oklch(65.7% 0.021 212.6) |
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 #839599 | 3.12:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #839599 | 6.72:1 | AA | Lc 45.8 | Large or bold text, headings |
| #839599 text on white | 3.12:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #839599 text on black | 6.72:1 | AA | Lc -43.5 | 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
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D5DADB
oklch(88.5% 0.006 211)
-
Step 300
300
#B9C2C4
oklch(80.8% 0.01 212.5)
-
Step 400
400
#95A4A7
oklch(70.8% 0.018 211)
-
Step 500
500 (this color)
#839599
oklch(65.7% 0.021 212.6)
-
Step 600
600
#64777B
oklch(55.5% 0.023 211.8)
-
Step 700
700
#536468
oklch(49% 0.022 213.5)
-
Step 800
800
#445255
oklch(42.8% 0.018 212.1)
-
Step 900
900
#394446
oklch(37.8% 0.015 209.8)
-
Step 950
950
#222829
oklch(27.1% 0.009 208.7)
#839599 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) | #929399 | 0.021 |
| Deuteranopia (no green cones) | #8E9099 | 0.020 |
| Tritanopia (no blue cones) | #7D9796 | 0.011 |
| Achromatopsia (no color) | #929292 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #839599
#839599
oklch(65.7% 0.021 212.6)
- #9E8D89
#9E8D89
oklch(65.7% 0.021 33.4)
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 #839599, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.035
- Blue Grey #758DA3 ΔE 0.037
- Bluey Grey #89A0B0 ΔE 0.041
- Warm Grey #978A84 ΔE 0.042
- Silver Lake Blue #778DA9 ΔE 0.042
- Light Slate Gray #778899 ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.045
- Greyblue #77A1B5 ΔE 0.045
Use #839599 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.