#7C878F
Closest named color: Light Slate Gray (#778899). oklch(61.7% 0.018 239.3), rgb(124, 135, 143).
Aa
Black text reads best on this color (5.71:1).
About this color
#7C878F is a medium-dark close to neutral grey. In OKLCH its lightness is 62%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.015 away. Black text reads best on it, at 5.71:1.
| Hue family | Neutrals |
| Lightness | medium-dark (62%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #7C878F |
| RGB | rgb(124, 135, 143) |
| HSL | hsl(205, 8%, 52%) |
| OKLCH | oklch(61.7% 0.018 239.3) |
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 #7C878F | 3.67:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #7C878F | 5.71:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #7C878F text on white | 3.67:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #7C878F text on black | 5.71:1 | AA | Lc -37.3 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D6D9DC
oklch(88.4% 0.005 247.9)
-
Step 300
300
#BCC1C6
oklch(80.8% 0.009 247.9)
-
Step 400
400
#99A2A8
oklch(70.7% 0.014 236.7)
-
Step 500
500 (this color)
#7C878F
oklch(61.7% 0.018 239.3)
-
Step 600
600
#69757E
oklch(55.6% 0.02 240.3)
-
Step 700
700
#58626A
oklch(49% 0.018 242.1)
-
Step 800
800
#485056
oklch(42.6% 0.014 240.2)
-
Step 900
900
#3C4347
oklch(37.8% 0.012 232.7)
-
Step 950
950
#23272A
oklch(27% 0.008 240.2)
#7C878F 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) | #84878F | 0.011 |
| Deuteranopia (no green cones) | #81848F | 0.011 |
| Tritanopia (no blue cones) | #778989 | 0.014 |
| Achromatopsia (no color) | #858585 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C878F
#7C878F
oklch(61.7% 0.018 239.3)
- #8E837B
#8E837B
oklch(61.7% 0.018 58.5)
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 #7C878F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.015
- Steel #738595 ΔE 0.017
- Gray #808080 ΔE 0.025
- Steel Grey #6F828A ΔE 0.025
- Slate Gray #708090 ΔE 0.028
- Blue Grey #758DA3 ΔE 0.030
- Medium Grey #7D7F7C ΔE 0.030
- Lavender Gray #7E7F9A ΔE 0.033
Use #7C878F 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.